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- [2] REQUIREMENT OF TRICHOMONADS FOR UNIDENTIFIED GROWTH FACTORS, SATURATED AND UNSATURATED FATTY ACIDS JOURNAL OF PROTOZOOLOGY, 1959, 6 (02): : 122 - 130
- [5] INFLUENCE OF ARSANILIC ACID ON DIETARY REQUIREMENT OF CHICKS FOR CERTAIN UNIDENTIFIED GROWTH FACTORS JOURNAL OF NUTRITION, 1954, 53 (04): : 511 - 522
- [7] AN UNIDENTIFIED FACTOR PRESENT IN HOG INTESTINAL MUCOSA REQUIRED BY THE MINK JOURNAL OF NUTRITION, 1950, 42 (03): : 433 - 441
- [8] FURTHER EVIDENCE ON THE REQUIREMENT OF THE CHICK FOR UNIDENTIFIED MINERALS JOURNAL OF NUTRITION, 1956, 60 (02): : 283 - 295