Further studies of penicillin resistant gonococci.
D000328:Adult; D006069:Gonorrhea / Q000188:drug therapy / Q000382:microbiology; D006801:Humans; D008297:Male; D008826:Microbial Sensitivity Tests; D009344:Neisseria gonorrhoeae / Q000187:drug effects* / Q000302:isolation & purification; D010402:Penicillin G Procaine / Q000008:administration & dosage; D010403:Penicillin Resistance
D010402:Penicillin G Procaine