sixty-nine caucasian males without a previous history of urethritis and who developed nongonococcal urethritis ( ngu ) and 39 similar men without urethritis ( nu ) were cultured from the urethra for chlamydia trachomatis , mycoplasma hominis , ureaplasma urealyticum , aerobes , and anaerobes .
C0041976
urethritis
C0041967
urethra