title: Letter: Single dose penicillin therapy.
mesh_terms: D000328:Adult; D006069:Gonorrhea / Q000188:drug therapy*; D006716:Homosexuality; D006801:Humans; D008297:Male; D010406:Penicillins / Q000008:administration & dosage* / Q000627:therapeutic use; D013587:Syphilis / Q000188:drug therapy*
chemical_list: D010406:Penicillins