[THE NEW PENICILLINS].
D000667:Ampicillin; D004351:Drug Resistance; D004352:Drug Resistance, Microbial; D004358:Drug Therapy; D008712:Methicillin; D010406:Penicillins; D010600:Pharmacology
D010406:Penicillins; D000667:Ampicillin; D008712:Methicillin
AMPICILLIN; DRUG RESISTANCE, MICROBIAL; DRUG THERAPY; METHICILLIN; PENICILLIN; PHARMACOLOGY
NUEVAS PENICILINAS.