GMHC sexual health survey.
D001727:Bisexuality; D005006:Ethnicity / Q000706:statistics & numerical data; D015658:HIV Infections / Q000175:diagnosis* / Q000453:epidemiology / Q000517:prevention & control*; D006306:Health Surveys; D018451:Homosexuality, Male; D006801:Humans; D008297:Male; D009519:New York City / Q000453:epidemiology; D012725:Sexual Behavior