Sexually transmitted diseases and HIV infection.
D002690:Chlamydia Infections / Q000175:diagnosis; D005260:Female; D006069:Gonorrhea / Q000175:diagnosis; D015658:HIV Infections / Q000175:diagnosis*; D015497:HIV-1; D006801:Humans; D008297:Male; D017410:Practice Guidelines as Topic; D012749:Sexually Transmitted Diseases / Q000175:diagnosis*; D013587:Syphilis / Q000175:diagnosis; D014481:United States; D014492:United States Public Health Service