Columbia subject headings:
Harvard subject headings:
AIDS (Disease)--Prevention
Gay men--Sexual behavior
Safe sex in AIDS prevention.
Sex instruction for gay men.
Sexually transmitted diseases--Prevention
Princeton subject headings:
AIDS (Disease)--Prevention--Handbooks, manuals, etc.
Gay men--Sexual behavior.
Safe sex in AIDS prevention--Handbooks, manuals, etc.
Sex instruction for gay men--Handbooks, manuals, etc.
Sexually transmitted diseases--Prevention--Handbooks, manuals, etc.