Effect of orally administered penicillin-resistant microorganisms on growth of chicks.
D000818:Animals; D002645:Chickens; D021902:Enterobacter aerogenes; D004926:Escherichia coli; D006128:Growth / Q000187:drug effects*; D010406:Penicillins / Q000494:pharmacology*
D010406:Penicillins
AEROBACTER AEROGENES; ESCHERICHIA COLI; GROWTH/effect of drugs on; PENICILLIN/effects