Penicillin-resistant gonococci.
D000667:Ampicillin / Q000494:pharmacology; D006069:Gonorrhea / Q000188:drug therapy; D006801:Humans; D009344:Neisseria gonorrhoeae / Q000187:drug effects*; D010400:Penicillin G / Q000494:pharmacology*; D010403:Penicillin Resistance
D000667:Ampicillin; D010400:Penicillin G