Columbia subject headings:
AIDS (Disease)--Risk factors--United States.
AIDS (Disease)--United States--Epidemiology.
African Americans--Health and hygiene.
African Americans--Sexual behavior.
Harvard subject headings:
AIDS (Disease)--Risk factors--United States.
AIDS (Disease)--United States--Epidemiology.
African Americans--Health and hygiene
African Americans--Sexual behavior.
Princeton subject headings:
AIDS (Disease)--United States--Epidemiology.
AIDS (Disease)--United States--Risk factors.
African Americans--Health and hygiene.
African Americans--Sexual behavior.