Clinical and epidemiologic impact of penicillins old and new.
D055598:Chemical Phenomena; D002621:Chemistry; D004342:Drug Hypersensitivity; D006801:Humans; D010403:Penicillin Resistance; D010406:Penicillins / Q000494:pharmacology / Q000627:therapeutic use* / Q000633:toxicity
D010406:Penicillins