1. Microbially synthesized APF (animal protein factor);Ansbacher;Federation Proc.,1949
2. Addition of dl-methionine to starting and growing mashes;Bird;Poultry Sci.,1945
3. Value of high levels of calcium pantothenate and pyridoxine hydro-chloride in chick diets free of animal protein;Bird;Poultry Sci.,1946
4. Studies with vitamin B12 concentrates in a corn-soybean ration;Briggs;Poultry Sci.,1949
5. Carlson, C. W., G. F. Combs, R. F. Miller, H. Yacowitz, L. C. Norris and M. L. Scott, 1949a. The relation of vitamin B12 to the animal protein factor. Amer. Chem. Soc. Meeting, Atlantic City, Sept. 18-23, p. 37A.