title: PENICILLIN in germ-free chicks.
mesh_terms: D000818:Animals; D002645:Chickens; D006128:Growth / Q000187:drug effects*; D006801:Humans; D008460:Meat; D010406:Penicillins / Q000494:pharmacology*; D011200:Poultry
chemical_list: D010406:Penicillins
keywords: FOWLS, DOMESTIC; GROWTH/effect of drugs on; PENICILLIN/effects