共 11 条
- [1] CAPPS BF, 1949, J BIOL CHEM, V178, P517
- [5] LEWIS JC, 1949, USDA MIMEO PUB, V254, P1
- [7] A GROWTH PROMOTING FACTOR FOR CHICKS IN THE FECES OF HENS [J]. POULTRY SCIENCE, 1946, 25 (05) : 526 - 528
- [9] SMITH JE, 1949, 1949 P CORN NUTR C F, P46
- [10] STOKSTAD ELR, 1949, FED PROC, V8, P257