Action of 6-aminopenicillanic acid on gram-negative bacteria.
D001419:Bacteria / Q000494:pharmacology*; D006090:Gram-Negative Bacteria; D010397:Penicillanic Acid / Q000031:analogs & derivatives; D010406:Penicillins / Q000494:pharmacology*
D010406:Penicillins; D010397:Penicillanic Acid; C004408:aminopenicillanic acid
BACTERIA/pharmacology; PENICILLIN/pharmacology