title: Prevalence of urethral Chlamydia trachomatis and Neisseria gonorrhoeae among asymptomatic, sexually active adolescent boys.
mesh_terms: D000293:Adolescent; D002353:Carrier State / Q000382:microbiology; D002690:Chlamydia Infections / Q000382:microbiology; D002692:Chlamydia trachomatis / Q000302:isolation & purification*; D006069:Gonorrhea / Q000382:microbiology; D006801:Humans; D008297:Male; D009344:Neisseria gonorrhoeae / Q000302:isolation & purification*; D012725:Sexual Behavior; D014521:Urethra / Q000382:microbiology*