1. Antibiotics in poultry nutrition;Bird;Proc. 9th World's Poultry Congress,1951
2. Environment and stimulation of chick growth by antibiotics;Bird;Poultry Sci.,1952
3. Mode of action of antibiotics in stimulating growth of chicks;Coates;Nature,1951
4. A mode of action of antibiotics in chick nutrition;Coates;J. Sci. Food Agric.,1952
5. Relation of growth stimulating properties of antibiotics to unidentified growth factors required by the chick;Groschke;Poultry Sci.,1950