The action of "Penbritin" on Brucella micro-organisms.
D000667:Ampicillin; D002002:Brucella / Q000494:pharmacology*; D010406:Penicillins / Q000494:pharmacology*
D010406:Penicillins; D000667:Ampicillin
BRUCELLA/pharmacology; PENICILLIN/pharmacology