[EXPERIMENTS WITH NEW SEMI-SYNTHETIC PENICILLINS].
D051379:Mice; D010403:Penicillin Resistance; D010405:Penicillinase; D010406:Penicillins; D010600:Pharmacology; D012106:Research; D013203:Staphylococcal Infections
D010406:Penicillins; D010405:Penicillinase
EXPERIMENTAL LAB STUDY; MICE; PENICILLIN; PENICILLIN RESISTANCE; PENICILLINASE; PHARMACOLOGY; STAPHYLOCOCCAL INFECTIONS
VIZSG'ALATOK 'UJ, F'ELSZINTETIKUS PENICILLINEKKEL.