title: Incidence of Ureaplasma urealyticum in nongonococcal urethritis (NGU).
mesh_terms: D000328:Adult; D006801:Humans; D008297:Male; D008875:Middle Aged; D014509:Ureaplasma / Q000302:isolation & purification*; D014521:Urethra / Q000382:microbiology; D014526:Urethritis / Q000209:etiology*; D014556:Urine / Q000382:microbiology