title: [Significance of Ureaplasma urealyticum and Clostridium difficile in nongonococcal urethritis].
mesh_terms: D000293:Adolescent; D000328:Adult; D003013:Clostridium / Q000302:isolation & purification / Q000472:pathogenicity*; D004318:Doxycycline / Q000494:pharmacology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D008911:Minocycline / Q000494:pharmacology; D014509:Ureaplasma / Q000302:isolation & purification / Q000472:pathogenicity*; D014526:Urethritis / Q000382:microbiology*
chemical_list: D008911:Minocycline; D004318:Doxycycline