Elizabeth Friis - Publications

Affiliations: 
Mechanical Engineering University of Kansas, Lawrence, KS, United States 
Area:
Mechanical Engineering, Biomechanics Biophysics

163 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2021 Drapal V, Gamble JM, Robinson JL, Tamerler C, Arnold PM, Friis EA. Integration of clinical perspective into biomimetic bioreactor design for orthopedics. Journal of Biomedical Materials Research. Part B, Applied Biomaterials. PMID 34510706 DOI: 10.1002/jbm.b.34929  1
2021 Kashyap S, Webb AG, Friis EA, Arnold PM. Management of single-level thoracic disc herniation through a modified transfacet approach: A review of 86 patients. Surgical Neurology International. 12: 338. PMID 34345479 DOI: 10.25259/SNI_94_2021  1
2019 Zhang C, Mannen EM, Sis HL, Cadel ES, Wong BM, Wang W, Cheng B, Friis EA, Anderson DE. Moment-rotation behavior of intervertebral joints in flexion-extension, lateral bending, and axial rotation at all levels of the human spine: A structured review and meta-regression analysis. Journal of Biomechanics. 109579. PMID 31911050 DOI: 10.1016/J.Jbiomech.2019.109579  1
2018 Cadel ES, Krech ED, Arnold PM, Friis EA. Stacked PZT Discs Generate Necessary Power for Bone Healing through Electrical Stimulation in a Composite Spinal Fusion Implant. Bioengineering (Basel, Switzerland). 5. PMID 30360564 DOI: 10.3390/bioengineering5040090  1
2018 Krech ED, Cadel ES, Barrett RM, Friis EA. Effect of compliant layers within piezoelectric composites on power generation providing electrical stimulation in low frequency applications. Journal of the Mechanical Behavior of Biomedical Materials. 88: 340-345. PMID 30199836 DOI: 10.1016/J.Jmbbm.2018.08.027  1
2018 Mannen EM, Friis EA, Sis HL, Wong BM, Cadel ES, Anderson DE. The rib cage stiffens the thoracic spine in a cadaveric model with body weight load under dynamic moments. Journal of the Mechanical Behavior of Biomedical Materials. 84: 258-264. PMID 29852313 DOI: 10.1016/J.Jmbbm.2018.05.019  1
2017 Mannen EM, Arnold PM, Anderson JT, Friis EA. Influence of Sequential Ponte Osteotomies on the Human Thoracic Spine With a Rib Cage. Spine Deformity. 5: 91-96. PMID 31997277 DOI: 10.1016/j.jspd.2016.10.004  1
2017 Galvis S, Arnold J, Mannen E, Wong B, Sis H, Cadel E, Anderson J, Anderson D, Arnold P, Friis E. Biomechanical Evaluation of a Growth-Friendly Rod Construct. Spine Deformity. 5: 11-17. PMID 31975046 DOI: 10.1016/j.jspd.2016.09.003  1
2017 Anderson DE, Mannen EM, Tromp R, Wong BM, Sis HL, Cadel ES, Friis EA, Bouxsein ML. The rib cage reduces intervertebral disc pressures in cadaveric thoracic spines by sharing loading under applied dynamic moments. Journal of Biomechanics. PMID 29106896 DOI: 10.1016/J.Jbiomech.2017.10.005  1
2017 Mannen EM, Arnold PM, Anderson JT, Friis EA. Influence of Sequential Ponte Osteotomies on the Human Thoracic Spine With a Rib Cage. Spine Deformity. 5: 91-96. PMID 28259271 DOI: 10.1016/J.Jspd.2016.10.004  1
2017 Galvis S, Arnold J, Mannen E, Wong B, Sis H, Cadel E, Anderson J, Anderson D, Arnold P, Friis E. Biomechanical Evaluation of a Growth-Friendly Rod Construct. Spine Deformity. 5: 11-17. PMID 28038688 DOI: 10.1016/J.Jspd.2016.09.003  1
2016 Galvis S, Burton D, Barnds B, Anderson J, Schwend R, Price N, Wilson S, Friis E. The effect of scoliotic deformity on spine kinematics in adolescents. Scoliosis and Spinal Disorders. 11: 42. PMID 27800560 DOI: 10.1186/S13013-016-0103-X  1
2016 Sis HL, Mannen EM, Wong BM, Cadel ES, Bouxsein ML, Anderson DE, Friis EA. Effect of follower load on motion and stiffness of the human thoracic spine with intact rib cage. Journal of Biomechanics. PMID 27545081 DOI: 10.1016/J.Jbiomech.2016.08.003  1
2016 Anderson DE, Mannen EM, Sis HL, Wong BM, Cadel ES, Friis EA, Bouxsein ML. Effects of follower load and rib cage on intervertebral disc pressure and sagittal plane curvature in static tests of cadaveric thoracic spines. Journal of Biomechanics. PMID 26944690 DOI: 10.1016/J.Jbiomech.2016.02.038  1
2016 Goetzinger NC, Tobaben EJ, Domann JP, Arnold PM, Friis EA. Composite piezoelectric spinal fusion implant: Effects of stacked generators. Journal of Biomedical Materials Research. Part B, Applied Biomaterials. 104: 158-64. PMID 25677916 DOI: 10.1002/Jbm.B.33365  1
2016 Friis EM, Pedersen KR, Crane PR. Kenilanthus, a new eudicot flower with tricolpate pollen from the Early Cretaceous (early-middle Albian) of eastern North America Grana. 1-13. DOI: 10.1080/00173134.2016.1158863  1
2016 Friis EM, Pedersen KR. Eucommiitheca hirsuta, a new pollen organ with Eucommiidites pollen from the Early Cretaceous of Portugal Grana. 35: 104-112.  1
2015 Arnold PM, Friis EA. Editorial: Biomechanical effects of interspinous process devices using a hybrid testing protocol. Journal of Neurosurgery. Spine. 23: 197-8; discussion 19. PMID 25932603 DOI: 10.3171/2015.1.SPINE141277  1
2015 Mannen EM, Anderson JT, Arnold PM, Friis EA. Mechanical analysis of the human cadaveric thoracic spine with intact rib cage. Journal of Biomechanics. PMID 25912664 DOI: 10.1016/J.Jbiomech.2015.03.021  1
2015 Bohm PE, Anderson KK, Friis EA, Arnold PM. Grade 1 spondylolisthesis and interspinous device placement: removal in six patients and analysis of current data. Surgical Neurology International. 6: 54. PMID 25883846 DOI: 10.4103/2152-7806.154461  1
2015 Mannen EM, Anderson JT, Arnold PM, Friis EA. Mechanical Contribution of the Rib Cage in the Human Cadaveric Thoracic Spine. Spine. PMID 25768687 DOI: 10.1097/Brs.0000000000000879  1
2014 Xiao Y, Rennerfeldt DA, Friis EA, Gehrke SH, Detamore MS. Evaluation of apparent fracture toughness of articular cartilage and hydrogels. Journal of Tissue Engineering and Regenerative Medicine. PMID 24700577 DOI: 10.1002/Term.1892  1
2014 Tobaben NE, Domann JP, Arnold PM, Friis EA. Theoretical model of a piezoelectric composite spinal fusion interbody implant Journal of Biomedical Materials Research - Part A. 102: 975-981. PMID 23589373 DOI: 10.1002/Jbm.A.34750  1
2014 Friis EM, Pedersen KR, Crane PR. Welwitschioid diversity in the Early Cretaceous: Evidence from fossil seeds with pollen from Portugal and eastern North America Grana. 53: 175-196. DOI: 10.1080/00173134.2014.915980  1
2014 Friis EM, Pedersen KR, Marone F. Arcellites punctatus sp. nov.: A new megaspore from the Early Cretaceous of Portugal studied using high resolution synchrotron radiation X-ray tomographic microscopy (SRXTM) Grana. 53: 91-102. DOI: 10.1080/00173134.2014.910547  1
2013 Xiao Y, Friis EA, Gehrke SH, Detamore MS. Mechanical testing of hydrogels in cartilage tissue engineering: beyond the compressive modulus. Tissue Engineering. Part B, Reviews. 19: 403-12. PMID 23448091 DOI: 10.1089/Ten.Teb.2012.0461  1
2013 Friis EA, Wilson SE. Developing entrepreneurial thinking in university of Kansas bioengineering students Asme 2013 Summer Bioengineering Conference, Sbc 2013. 1. DOI: 10.1115/SBC2013-14812  1
2013 Friis EM, Pedersen KR, Endress PK. Floral structure of extant Quintinia (Paracryphiales, campanulids) compared with the Late Cretaceous Silvianthemum and Bertilanthus International Journal of Plant Sciences. 174: 647-664. DOI: 10.1086/669908  1
2013 Friis EM, Pedersen KR, Crane PR. New diversity among chlamydospermous seeds from the early cretaceous of portugal and north America International Journal of Plant Sciences. 174: 530-558. DOI: 10.1086/668250  1
2013 Friis E. Social workers linking together family norms and child protection norms Social and Legal Norms: Towards a Socio-Legal Understanding of Normativity. 159-180.  1
2012 Friis EM, Pedersen KR. Bertilanthus scanicus, a new Asterid flower from the late cretaceous (late santonian-early campanian) of Scania, Sweden International Journal of Plant Sciences. 173: 318-330. DOI: 10.1086/663973  1
2012 Pott C, McLoughlin S, Wu S, Friis EM. Trichomes on the leaves of Anomozamites villosus sp. nov. (Bennettitales) from the Daohugou beds (Middle Jurassic), Inner Mongolia, China: Mechanical defence against herbivorous arthropods Review of Palaeobotany and Palynology. 169: 48-60. DOI: 10.1016/j.revpalbo.2011.10.005  1
2011 Heřmanová Z, Kvaček J, Friis EM. Budvaricarpus serialis knobloch & Mai, an unusual new member of the Normapolles complex from the Late Cretaceous of the Czech Republic International Journal of Plant Sciences. 172: 285-293. DOI: 10.1086/657278  1
2011 Friis EM, Cantrill DJ. GRANA celebrates the publication of volume 50 Grana. 50: 1-2. DOI: 10.1080/00173134.2011.565940  1
2011 Friis EM, Pedersen KR. Canrightia resinifera gen. et sp. nov., a new extinct angiosperm with Retimonocolpites-type pollen from the Early Cretaceous of Portugal: Missing link in the eumagnoliid tree? Grana. 50: 3-29. DOI: 10.1080/00173134.2011.559728  1
2011 Friis EK. Tau Reconstruction and Identification at the Compact Muon Solenoid Nuclear Physics B - Proceedings Supplements. 218: 256-261. DOI: 10.1016/j.nuclphysbps.2011.06.041  1
2010 Rydin C, Friis EM. A new early cretaceous relative of gnetales: Siphonospermum simplex gen. et sp. nov. from the Yixian Formation of Northeast China Bmc Evolutionary Biology. 10. PMID 20565755 DOI: 10.1186/1471-2148-10-183  1
2010 Friis EM, Pedersen KR, Crane PR. Diversity in obscurity: fossil flowers and the early history of angiosperms. Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences. 365: 369-82. PMID 20047865 DOI: 10.1098/rstb.2009.0227  1
2010 Crane PR, Friis EM, Chaloner WG. Darwin and the evolution of flowers. Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences. 365: 347-50. PMID 20047863 DOI: 10.1098/rstb.2009.0277  1
2010 Kvaček J, Friis EM. Zlatkocarpus gen. nov., a new angiosperm reproductive structure with monocolpate-reticulate pollen from the Late Cretaceous (Cenomanian) of the Czech Republic Grana. 49: 115-127. DOI: 10.1080/00173134.2010.481845  1
2010 Friis EM, Pedersen KR, Crane PR. Cretaceous diversification of angiosperms in the western part of the Iberian Peninsula Review of Palaeobotany and Palynology. 162: 341-361. DOI: 10.1016/j.revpalbo.2009.11.009  1
2010 Pott C, Krings M, Kerp H, Friis EM. Reconstruction of a bennettitalean flower from the Carnian (Upper Triassic) of Lunz, Lower Austria Review of Palaeobotany and Palynology. 159: 94-111. DOI: 10.1016/j.revpalbo.2009.11.004  1
2009 Friis EM, Pedersen KR, Crane PR. Early Cretaceous mesofossils from Portugal and eastern North America related to the Bennettitales-Erdtmanithecales-Gnetales group. American Journal of Botany. 96: 252-83. PMID 21628188 DOI: 10.3732/ajb.0800113  1
2008 Teilum D, Kroman N, Friis E. Sentinel node technique in local relapse after breast-conserving surgery Ugeskrift For Laeger. 170: 3136-3137. PMID 18823604  1
2008 Christiansen P, Friis E, Balslev E, Jensen D, Møller S. Sentinel node biopsy in breast cancer: Five years experience from Denmark Acta Oncologica. 47: 561-568. PMID 18465323 DOI: 10.1080/02841860802023206  1
2008 Friis E, Galatius H, Peter Garne J. Organized nation-wide implementation of sentinel lymph node biopsy in Denmark Acta Oncologica. 47: 556-560. PMID 18465322 DOI: 10.1080/02841860802010732  1
2008 Hansen CL, McQueen DA, Friis EA, Cooke FW, Widenhouse CW. Porosity of neat and composite bone cement mantles. The Journal of Arthroplasty. 23: 279-86. PMID 18280425 DOI: 10.1016/j.arth.2007.03.040  1
2008 Viehofen A, Hartkopf-Fröder C, Friis EM. Inflorescences and flowers of Mauldinia angustiloba sp. nov. (lauraceae) from middle cretaceous karst infillings in the Rhenish Massif, Germany International Journal of Plant Sciences. 169: 871-889. DOI: 10.1086/589975  1
2008 Mendes MM, Pais J, Friis EM. Raunsgaardispermum lusitanicum gen. et sp. nov., a new seed with in situ pollen from the Early Cretaceous (probably Berriasian) of Portugal: Further support for the Bennettitales-Erdtmanithecales-Gnetales link Grana. 47: 211-219. DOI: 10.1080/00173130802228110  1
2008 Yang XJ, Friis EM, Zhou ZY. Ovule-bearing organs of Ginkgo ginkgoidea (Tralau) comb. nov., and associated leaves from the Middle Jurassic of Scania, South Sweden Review of Palaeobotany and Palynology. 149: 1-17. DOI: 10.1016/j.revpalbo.2007.09.005  1
2007 Chong AC, Miller F, Buxton M, Friis EA. Fracture toughness and fatigue crack propagation rate of short fiber reinforced epoxy composites for analogue cortical bone. Journal of Biomechanical Engineering. 129: 487-93. PMID 17655469 DOI: 10.1115/1.2746369  1
2007 Chong AC, Friis EA, Ballard GP, Czuwala PJ, Cooke FW. Fatigue performance of composite analogue femur constructs under high activity loading. Annals of Biomedical Engineering. 35: 1196-205. PMID 17390224 DOI: 10.1007/s10439-007-9284-z  1
2007 Friis EM, Crane P. Botany: new home for tiny aquatics. Nature. 446: 269-70. PMID 17361167 DOI: 10.1038/446269A  1
2007 Strömberg CAE, Werdelin L, Friis EM, Saraç G. The spread of grass-dominated habitats in Turkey and surrounding areas during the Cenozoic: Phytolith evidence Palaeogeography, Palaeoclimatology, Palaeoecology. 250: 18-49. DOI: 10.1016/j.palaeo.2007.02.012  1
2007 Friis EM, Pedersen KR, Crane PR. Origin and Radiation of Angiosperms Palaeobiology Ii. 97-102. DOI: 10.1002/9780470999295ch.20  1
2006 Batori V, Friis EP, Nielsen H, Roggen EL. An in silico method using an epitope motif database for predicting the location of antigenic determinants on proteins in a structural context Journal of Molecular Recognition. 19: 21-29. PMID 16193533 DOI: 10.1002/jmr.752  1
2006 Friis EM, Pedersen KR, Crane PR. Cretaceous angiosperm flowers: Innovation and evolution in plant reproduction Palaeogeography, Palaeoclimatology, Palaeoecology. 232: 251-293. DOI: 10.1016/j.palaeo.2005.07.006  1
2006 Rydin C, Wu SQ, Friis EM. Liaoxia Cao et S.Q. Wu (Gnetales): Ephedroids from the Early Cretaceous Yixian Formation in Liaoning, northeastern China Plant Systematics and Evolution. 262: 239-265. DOI: 10.1007/s00606-006-0481-2  1
2006 Leng Q, Friis EM. Angiosperm leaves associated with Sinocarpus infructescences from the Yixian Formation (mid-Early Cretaceous) of NE China Plant Systematics and Evolution. 262: 173-187. DOI: 10.1007/s00606-006-0461-6  1
2006 Friis EM, Pedersen KR, Schönenberger J. Normapolles plants: A prominent component of the Cretaceous rosid diversification Plant Systematics and Evolution. 260: 107-140. DOI: 10.1007/s00606-006-0440-y  1
2006 Endress PK, Friis EM. Rosids - Reproductive structures, fossil and extant, and their bearing on deep relationships: Introduction Plant Systematics and Evolution. 260: 83-85. DOI: 10.1007/s00606-006-0438-5  1
2005 Anderson CL, Bremer K, Friis EM. Dating phylogenetically basal eudicots using rbcL sequences and multiple fossil reference points. American Journal of Botany. 92: 1737-48. PMID 21646091 DOI: 10.3732/Ajb.92.10.1737  1
2005 Katz JL, Kinney JH, Spencer P, Wang Y, Fricke B, Walker MP, Friis EA. Elastic anisotropy of bone and dentitional tissues. Journal of Materials Science. Materials in Medicine. 16: 803-6. PMID 16167108 DOI: 10.1007/S10856-005-3579-0  1
2005 Friis E. Breast self-examination is nt breast cancer screening Ugeskrift For Laeger. 167: 1872-1873. PMID 15929341  1
2005 Grabau DA, Rank F, Friis E. Intraoperative frozen section examination of axillary sentinel lymph nodes in breast cancer Apmis. 113: 7-12. PMID 15676009 DOI: 10.1111/j.1600-0463.2005.apm1130102.x  1
2005 Friis EM, Pedersen KR, Crane PR. When Earth started blooming: insights from the fossil record. Current Opinion in Plant Biology. 8: 5-12. PMID 15653393 DOI: 10.1016/j.pbi.2004.11.006  1
2005 Leng Q, Schönenberger J, Friis EM. Late Cretaceous follicular fruits from southern Sweden with systematic affinities to early diverging eudicots Botanical Journal of the Linnean Society. 148: 377-407. DOI: 10.1111/j.1095-8339.2005.00428.x  1
2005 Rydin C, Friis EM. Pollen germination in Welwitschia mirabilis Hook. f.: Differences between the polyplicate pollen producing genera of the Gnetales Grana. 44: 137-141. DOI: 10.1080/00173130500230459  1
2005 Von Balthazar M, Pedersen KR, Friis EM. Teixeiria lusitanica, a new fossil flower from the Early Cretaceous of Portugal with affinities to Ranunculales Plant Systematics and Evolution. 255: 55-75. DOI: 10.1007/s00606-005-0347-z  1
2005 Chong ACM, Friis EA. Fracture toughness and fracture crack propagation rate of short fiber reinforced epoxy composites for analogue cortical bone Proceedings of the 2005 Summer Bioengineering Conference. 2005: 215-216.  1
2005 Jaumard NV, Friis EA, Williams SM, Richards R. Synthetic intervertebral disc for medical education Proceedings of the 2005 Summer Bioengineering Conference. 2005: 641-642.  1
2004 Crane PR, Herendeen P, Friis EM. Fossils and plant phylogeny. American Journal of Botany. 91: 1683-99. PMID 21652317 DOI: 10.3732/Ajb.91.10.1683  1
2004 Friis EM, Pedersen KR, Crane PR. Araceae from the Early Cretaceous of Portugal: evidence on the emergence of monocotyledons. Proceedings of the National Academy of Sciences of the United States of America. 101: 16565-70. PMID 15546982 DOI: 10.1073/pnas.0407174101  1
2004 Chakera AH, Law I, Friis E, Ingvar C, Hesse B. Bilateral axillary sentinel nodes from breast carcinoma Clinical Nuclear Medicine. 29: 840. PMID 15545900 DOI: 10.1097/00003072-200412000-00024  1
2004 Rydin C, Pedersen KR, Friis EM. On the evolutionary history of Ephedra: Cretaceous fossils and extant molecules Proceedings of the National Academy of Sciences of the United States of America. 101: 16571-16576. PMID 15545612 DOI: 10.1073/pnas.0407588101  1
2004 Bremer K, Friis EM, Bremer B. Molecular phylogenetic dating of asterid flowering plants shows early Cretaceous diversification. Systematic Biology. 53: 496-505. PMID 15503676 DOI: 10.1080/10635150490445913  1
2004 Karp JM, Friis EA, Dee KC, Winet H. Opinions and trends in biomaterials education: report of a 2003 Society for Biomaterials survey. Journal of Biomedical Materials Research. Part A. 70: 1-9. PMID 15174103 DOI: 10.1002/Jbm.A.30087  1
2004 Karp JM, Winet H, Friis EA. Proactive development of biomaterials education - Report of a 2003 SFB survey Transactions - 7th World Biomaterials Congress. 580.  1
2004 Frumin S, Eklund H, Friis EM. Mauldinia hirsuta sp. nov., a new member of the extinct genus Mauldinia (Lauraceae) from the late cretaceous (Cenomanian-Turonian) of Kazakhstan International Journal of Plant Sciences. 165: 883-895.  1
2003 Corse MR, Renberg WC, Friis EA. In vitro evaluation of biomechanical effects of multiple hemilaminectomies on the canine lumbar vertebral column American Journal of Veterinary Research. 64: 1139-1145. PMID 13677392 DOI: 10.2460/ajvr.2003.64.1139  1
2003 Rydin C, Mohr B, Friis EM. Cratonia cotyledon gen. et sp. nov.: A unique Cretaceous seedling related to Welwitschia Proceedings of the Royal Society B: Biological Sciences. 270. PMID 12952628  1
2003 Friis E, Mollerup CL, Blichert-Toft M. Regional function in thyroid surgery. Assessment of the speciality function and surgical risk factors Ugeskrift For Laeger. 165: 2958-2962. PMID 12926198  1
2003 Leng Q, Friis EM. Sinocarpus decussatus gen. et sp. nov., a new angiosperm with basally syncarpous fruits from the Yixian Formation of Northeast China Plant Systematics and Evolution. 241: 77-88. DOI: 10.1007/s00606-003-0028-8  1
2003 Oh IC, Denk T, Friis EM. Evolution of Illicium (Illiciaceae): Mapping morphological characters on the molecular tree Plant Systematics and Evolution. 240: 175-209. DOI: 10.1007/s00606-003-0022-1  1
2003 Friis EM, Pedersen KR, Schönenberger J. Endressianthus, a new normapolles-producing plant genus of Fagalean affinity from the late cretaceous of Portugal International Journal of Plant Sciences. 164.  1
2002 Sørensen LT, Hørby J, Friis E, Pilsgaard B, Jørgensen T. Smoking as a risk factor for wound healing and infection in breast cancer surgery. European Journal of Surgical Oncology : the Journal of the European Society of Surgical Oncology and the British Association of Surgical Oncology. 28: 815-20. PMID 12477471 DOI: 10.1053/ejso.2002.1308  1
2002 Rydin C, Källersjö M, Friis EM. Seed plant relationships and the systematic position of Gnetales based on nuclear and chloroplast DNA: Conflicting data, rooting problems, and the monophyly of conifers International Journal of Plant Sciences. 163: 197-214. DOI: 10.1086/338321  1
2002 Friis EA, Pence CD, Graber CD, Montoya JA. Mechanical analogue model of the human lumbar spine: Development and initial evaluation Astm Special Technical Publication. 143-154.  1
2001 Friis EM, Pedersen KR, Crane PR. Fossil evidence of water lilies (Nymphaeales) in the Early Cretaceous Nature. 410: 357-360. PMID 11268209 DOI: 10.1038/35066557  1
2001 Schönenberger J, Pedersen KR, Friis EM. Normapolles flowers of fagalean affinity from the late cretaceous of portugal Plant Systematics and Evolution. 226: 205-230. DOI: 10.1007/s006060170066  1
2001 Matthews ML, Endress PK, Schönenberger J, Friis EM. A comparison of floral structures of Anisophylleaceae and Cunoniaceae and the problem of their systematic position Annals of Botany. 88: 439-455. DOI: 10.1006/anbo.2001.1494  1
2001 Schönenberger J, Friis EM, Matthews ML, Endress PK. Cunoniaceae in the Cretaceous of Europe: Evidence from fossil flowers Annals of Botany. 88: 423-437. DOI: 10.1006/anbo.2001.1488  1
2000 Friis E. Tensionsfri herniotomi a.m. Lichtenstein: Resultater af fem års erfaring med metoden Ugeskrift For Laeger. 162: 1556-1563. PMID 10868111  1
2000 Banwart JC, McQueen DA, Friis EA, Graber CD. Negative pressure intrusion cementing technique for total knee arthroplasty Journal of Arthroplasty. 15: 360-367. PMID 10794233  1
2000 Zimmer EA, Qiu YL, Endress PK, Friis EM. Current perspectives on basal angiosperms: Introduction International Journal of Plant Sciences. 161: S1-S2. DOI: 10.1086/317569  1
2000 Eriksson O, Friis EM, Löfgren P. Seed size, fruit size, and dispersal systems in angiosperms from the early cretaceous to the late tertiary American Naturalist. 156: 47-58. DOI: 10.1086/303367  1
2000 Friis EM, Pedersen KR, Crane PR. Fossil floral structures of a basal angiosperm with monocolpate, reticulate-acolumellate pollen from the Early Cretaceous of Portugal Grana. 39: 226-239. DOI: 10.1080/00173130052017262  1
2000 Mohr BAR, Friis EM. Early angiosperms from the lower Cretaceous Crato Formation (Brazil), a preliminary report International Journal of Plant Sciences. 161.  1
2000 Friis EM, Pedersen KR, Crane PR. Reproductive structure and organization of basal angiosperms from the Early Cretaceous (Barremian or Aptian) of western Portugal International Journal of Plant Sciences. 161.  1
1999 Frumin S, Friis EM. Magnoliid reproductive organs from the Cenomanian-Turonian of north-western Kazakhstan: Magnoliaceae and Illiciaceae Plant Systematics and Evolution. 216: 265-288.  1
1999 Kunzmann L, Friis EM. Occurrence of conifer seeds with strongly curved locules from the Upper Cretaceous of Asen (Sweden) Feddes Repertorium. 110: 341-347.  1
1999 Friis EM, Pedersen KR, Crane PR. Early angiosperm diversification: The diversity of pollen associated with angiosperm reproductive structures in early cretaceous floras from Portugal Annals of the Missouri Botanical Garden. 86: 259-296.  1
1997 Eklund H, Friis EM, Pedersen KR. Chloranthaceous floral structures from the Late Cretaceous of Sweden Plant Systematics and Evolution. 207: 13-42.  1
1997 Sommer SG, Friis E, Bach A, Schjørring JK. Ammonia volatilization from pig slurry applied with trail hoses or broadspread to winter wheat: Effects of crop developmental stage, microclimate, and leaf ammonia absorption Journal of Environmental Quality. 26: 1153-1160.  1
1997 Friis EM, Crane PR, Pedersen KR. Anacostia, a new basal angiosperm from the Early Cretaceous of North America and Portugal with trichotomocolpate/monocolpate pollen Grana. 36: 225-244.  1
1997 Friis EA, Hahn DL, Cooke FW, Hooper SJ. Modeling crack extension in chopped-fiber composites Astm Special Technical Publication. 1285: 364-378.  1
1996 Friis E, Lindahl F. The tension-free hernioplasty in a randomized trial American Journal of Surgery. 172: 315-319. PMID 8873520 DOI: 10.1016/S0002-9610(96)00188-2  1
1996 Frumin SI, Friis EM. Liriodendroid seeds from the late cretaceous of Kazakhstan and North Carolina, United States Review of Palaeobotany and Palynology. 94: 39-55. DOI: 10.1016/0034-6667(95)00136-0  1
1996 Friis EA, Kumar B, Cooke FW, Yasuda HK. Effect of treated PET fiber additions on the fracture toughness of composite bone cement Transactions of the Annual Meeting of the Society For Biomaterials in Conjunction With the International Biomaterials Symposium. 2: 348.  1
1996 Friis EA, Kumar B, Cooke FW, Yasuda HK. Fracture toughness of surface-treated carbon fiber reinforced composite bone cement Transactions of the Annual Meeting of the Society For Biomaterials in Conjunction With the International Biomaterials Symposium. 1: 913.  1
1995 Friis EV, Sørensen AS. [Streptococcus bovis as the cause of combined endocarditis of the aortic, mitral and tricuspid valves]. Ugeskrift For Laeger. 157: 7012-3. PMID 8545920  1
1995 Friis EM, Pedersen KR, Crane PR. Appomattoxia ancistrophora gen. et sp. nov., a new Early Cretaceous plant with similarities to Circaeaster and extant Magnoliidae American Journal of Botany. 82: 933-943.  1
1995 Crane PR, Friis EM, Pedersen KR. The origin and early diversification of angiosperms Nature. 374: 27-33.  1
1994 Mickley H, Junker A, Friis EV, Møller M. Ambulatory ST-segment monitoring after acute myocardial infarction Ugeskrift For Laeger. 156: 7024-7027. PMID 7817408  1
1994 Friis EA, Cooke FW, McQueen DA, Henning CE. Effect of bone block removal and patellar prosthesis on stresses in the human patella American Journal of Sports Medicine. 22: 696-701. PMID 7810796  1
1994 Pedersen KR, Friis EM, Crane PR, Drinnan AN. Reproductive structures of an extinct platanoid from the early Cretaceous (latest Albian) of eastern North America Review of Palaeobotany and Palynology. 80: 291-303. DOI: 10.1016/0034-6667(94)90006-X  1
1994 Friis EM, Eklund H, Pedersen KR, Crane PR. Virginianthus calycanthoides gen. et sp. nov. - A calycanthaceous flower from the potomac group (Early Cretaceous) of eastern North America International Journal of Plant Sciences. 55: 772-785.  1
1993 Pedersen KR, Friis EM, Crane PR. Pollen organs and seeds with decussosporites brenner from lower cretaceous potomac group sediments of eastern USA Grana. 32: 273-289. DOI: 10.1080/00173139309429991  1
1993 Bocherens H, Friis EM, Mariotti A, Pedersen KR. Carbon isotopic abundances in Mesozoic and Cenozoic fossil plants: palaeoecological implications Lethaia. 26: 347-358.  1
1992 Friis EV, Frederiksen M, Efsen Simonsen E. Anaphylactic reaction during immunotherapy related to alcohol consumption Allergy: European Journal of Allergy and Clinical Immunology. 47: 123-124. PMID 1343561  1
1992 Crepet WL, Nixon KC, Friis EM, Freudenstein JV. Oldest fossil flowers of hamamelidaceous affinity, from the late Cretaceous of New Jersey Proceedings of the National Academy of Sciences of the United States of America. 89: 8986-8989.  1
1991 Crepet WL, Friis EM, Nixon KC. Fossil evidence for the evolution of biotic pollination Philosophical Transactions - Royal Society of London, B. 333: 187-195. DOI: 10.1098/Rstb.1991.0067  1
1991 Endress PK, Friis EM. Archamamelis, hamamelidalean flowers from the Upper Cretaceous of Sweden Plant Systematics and Evolution. 175: 101-114. DOI: 10.1007/BF00942149  1
1990 Friis ES, Jordan S. Musical syntactic and semantic structures in APL2 Conference Proceedings On Apl 1990: For the Future. 130-139. DOI: 10.1145/97808.97841  1
1990 Friis EM, Endress PK. Origin and Evolution of Angiosperm Flowers Advances in Botanical Research. 17: 99-162. DOI: 10.1016/S0065-2296(08)60133-0  1
1990 Friis EM, Pedersen KR. Structure of the lower cretaceous fern Onychiopsis psilotoides from Bornholm, Denmark Review of Palaeobotany and Palynology. 66: 47-63. DOI: 10.1016/0034-6667(90)90028-H  1
1990 Drinnan AN, Crane PR, Friis EM, Pedersen KR. Lauraceous flowers from the Potomac Group (mid-Cretaceous) of eastern North America Botanical Gazette. 151: 370-384.  1
1989 Pedersen KR, Crane PR, Friis EM. Pollen organs and seeds with eucommiidites pollen Grana. 28: 279-294. DOI: 10.1080/00173138909427441  1
1989 Raunsgaard Pedersen K, Crane PR, Friis EM. The morphology and phylogenetic significance of Vardekloeftia harris (Bennettitales) Review of Palaeobotany and Palynology. 60: 7-24. DOI: 10.1016/0034-6667(89)90071-7  1
1989 Crane PR, Friis EM, Pedersen KR. Reproductive structure and function in Cretaceous Chloranthaceae Plant Systematics and Evolution. 165: 211-226. DOI: 10.1007/BF00936003  1
1989 Friis EM, Crepet WL. Time of appearance of floral features The Origins of Angiosperms and Their Biological Consequences. 145-179.  1
1989 Crepet WL, Friis EM. The evolution of insect pollination in angiosperms The Origins of Angiosperms and Their Biological Consequences. 181-201.  1
1989 Duster B, Friis E, Kirschner P, Brien G. Anaesthetic procedures in percutaneous nephro- and urolithotomy Zeitschrift Fur Klinische Medizin. 44: 905-907.  1
1989 Friis EM, Chaloner WG, Crane PR. The origins of angiosperms and their biological consequences The Origins of Angiosperms and Their Biological Consequences 1
1988 Friis EA, Lakes RS, Park JB. Negative Poisson's ratio polymeric and metallic foams Journal of Materials Science. 23: 4406-4414. DOI: 10.1007/Bf00551939  1
1988 Lakes RS, Friis EA, Park JB. Mechanics of foam materials with a negative Poisson's ratio American Society of Mechanical Engineers, Aerospace Division (Publication) Ad. 13: 233-234.  1
1987 Tønnesen H, Schütten BT, Hansen KH, Friis E. Peroral irrigation compared with rectal intestinal irrigation. A prospective study on patients before surgery Ugeskrift For Laeger. 149: 285-286. PMID 3547976  1
1987 Friis E, Jensen J, Mikkelsen SA. Predicting the date of harvest of vining peas by means of air and soil temperature sums and node countings Field Crops Research. 16: 33-42. DOI: 10.1016/0378-4290(87)90051-7  1
1986 Friis EM, Crane PR, Pedersen KR. Floral evidence for cretaceous chloranthoid angiosperms Nature. 320: 163-164. DOI: 10.1038/320163a0  1
1986 Crane PR, Friis EM, Pedersen KT. Lower Cretaceous angiosperm flowers: fossil evidence on early radiation of dicotyledons Science. 232: 852-854.  1
1985 Friis EM. Actinocalyx gen. nov., sympetalous angiosperm flowers from the upper cretaceous of southern Sweden Review of Palaeobotany and Palynology. 45: 171-183. DOI: 10.1016/0034-6667(85)90001-6  1
1984 Friis EM. ( Organisation levels and pollination methods in flowers from the Upper Cretaceous) Dansk Geologisk Forenings, Arsskrift For 1983. 1-9.  1
1983 Christensen MG, Knudsen LH, Hornbøll P, Friis E. Clinical diagnostic certainty in sprained ankles. A controlled blind study of 235 patients from a surgical outpatient department Ugeskrift For Laeger. 145: 3164-3167. PMID 6417861  1
1983 Friis EM. Upper Cretaceous (Senonian) floral structures of juglandalean affinity containing normapolles pollen Review of Palaeobotany and Palynology. 39: 161-188. DOI: 10.1016/0034-6667(83)90015-5  1
1982 Friis E, Hjortrup A, Nielsen JER, Sanders S, Walter S. Urinary incontinence and genital prolapse: A prospective blind study of the value of urodynamic evaluation Journal of Urology. 128: 764-765. PMID 7143599  1
1982 Friis EM, Skarby A. Scandianthus gen.nov., angiosperm flowers of gaxifragalean affinity from the upper cretaceous of southern Sweden Annals of Botany. 50: 569-583.  1
1981 Friis EM, Skarby A. Structurally preserved angiosperm flowers from the Upper Cretaceous of southern Sweden Nature. 291: 484-486. DOI: 10.1038/291484a0  1
1981 Friis E, Schadlich M, Neumann G, Trunschke D. Determination of the importance of obstetric neuroleptanalgesia Anaesthesiologie Und Reanimation. 6: 115-123.  1
1979 Friis EM. The Damgaard flora: a new Middle Miocene flora from Denmark Bulletin Geological Society Denmark. 27: 117-142.  1
1977 Arnold K, Friis E, Schumacher D. Treatment problems in multiple injuries (necessity for interdisciplinary collaboration) Zeitschrift Fur Arztliche Fortbildung. 71: 244-248. PMID 868105  1
1977 Fahle W, Fahle A, Friis E. On the use of neurolept analgesia in nonoperative medicine Deutsche Gesundheitswesen. 32: 2311-2315.  1
1975 Janisch K, Burger K, Friis E. Aortic isthmus stenosis and a large poststenotic aneurysm Zentralblatt Fur Chirurgie. 100: 1324-1327. PMID 1202853  1
1975 Janisch K, Bürger K, Friis E, Hübner R, Münchow R, Wierny L. Non-dissecting aneurysms (surgical treatment and results) Zentralblatt Fur Chirurgie. 100: 726-735. PMID 1189700  1
1974 Schädlich M, Blätterlein I, Friis E, Schneider M, Tu TN. Anaesthesiological problems during coronary arterial surgery Anaesthesia Resuscitation and Intensive Therapy. 2: 155-160. PMID 4451271  1
1972 Schulz H, Friis E, Böhl I, Schöppner H. Electroencephalography and clinical stages of anesthesia Psychiatrie Neurologie Und Medizinische Psychologie. 24: 497-507. PMID 4673630  1
1969 Münchow R, Friis E, Schädlich M. Catecholamine effect under halothane narcosis Deutsche Gesundheitswesen. 24: 2322-2325. PMID 5405892  1
1969 Arnold K, Friis E, Unger RR. Rehabilitation of patients with cranio-cerebral injuries and extended unconsciousness Chirurg. 40: 263-269. PMID 5350863  1
1967 Schneider M, Friis E, Schädlich M. Heart circulatory arrest and its therapeutic consequences Deutsche Gesundheitswesen. 22: 865-874. PMID 5601568  1
1967 Schneider M, Friis E, Schädlich M. Heart circulation arrest and its therapeutic consequences Deutsche Gesundheitswesen. 22: 817-829 contd. PMID 5600792  1
1967 Albert M, Schneider M, Friis E. Indications for and results of electrotherapy Zeitschrift Fur Die Gesamte Innere Medizin Und Ihre Grenzgebiete. 22. PMID 5594140  1
1966 Schädlich M, Schneider M, Friis E, Serfling HJ. Problems of hemodilution using extracorporeal circulation in heart surgery Deutsche Gesundheitswesen. 21: 1640-1644. PMID 5982040  1
1964 Schädlich M, Warnke H, Friis E. EEG observations during neurosurgical procedures under hypothermia BeiträGe Zur Neurochirurgie. 8: 30-38. PMID 5830318  1
1960 FRIIS E. Treatment of peptic ulcer with the preparation exul Cold Spring Harbor Symposia On Quantitative Biology. 57: 395-398. PMID 13825223  1
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