title: T-strains of mycoplasma and nongonococcal urethritis.
mesh_terms: D000328:Adult; D000367:Age Factors; D002944:Circumcision, Male; D006069:Gonorrhea / Q000382:microbiology; D006801:Humans; D008297:Male; D008875:Middle Aged; D009174:Mycoplasma / Q000302:isolation & purification*; D009175:Mycoplasma Infections; D014521:Urethra / Q000382:microbiology; D014526:Urethritis / Q000209:etiology / Q000382:microbiology*