Karl R. Johansson

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Hsu SC, Johansson KR, Donahue MJ. (1986) The bacterial flora of the intestine of Ascaris suum and 5-hydroxytryptamine production. The Journal of Parasitology. 72: 545-9
DICK EC, JOHANSSON KR. (1957) Effects of oral and parenteral administration of degraded and active antibiotics to rats fed a vitamin B12 deficient ration. II. Indirect evidence for an extra-intestinal cause of growth stimulation by antibiotics. Antibiotics & Chemotherapy (Northfield, Ill.). 7: 349-58
PETERSON GE, DICK EC, JOHANSSON KR. (1953) Influence of dietary aureomycin and carbohydrate on growth, intestinal microflora and vitamin B12 synthesis of the rat. The Journal of Nutrition. 51: 171-89
JOHANSSON KR, PETERSON GE, DICK EC. (1953) Effects of dietary aureomycin upon the intestinal microflora and the intestinal synthesis of vitamin B12 in the rat. The Journal of Nutrition. 49: 135-52
Johansson KR, Sarles WB. (1949) SOME CONSIDERATIONS OF THE BIOLOGICAL IMPORTANCE OF INTESTINAL MICROORGANISMS. Bacteriological Reviews. 13: 25-45
Johansson KR, Sarles WB. (1948) Bacterial Population Changes in the Ceca of Young Chickens Infected with Eimeria tenella. Journal of Bacteriology. 56: 635-47
Johansson KR, Sarles WB, Shapiro SK. (1948) The Intestinal Microflora of Hens as Influenced by Various Carbohydrates in a Biotin-deficient Ration. Journal of Bacteriology. 56: 619-34
JOHANSSON KR, SHAPIRO SK, SARLES WB. (1947) The flora of feces of hens as influenced by various carbohydrates in a biotin-deficient ration. Journal of Bacteriology. 54: 35