[Sexual behavior and perceptions of the Brazilian population regarding HIV/AIDS. Foreword].
Chequer
Pedro
P
United Nations Programme on HIV/AIDS, Brasília, DF, Brazil.
D000163:Acquired Immunodeficiency Syndrome / Q000453:epidemiology; D001938:Brazil / Q000453:epidemiology; D015658:HIV Infections / Q000453:epidemiology*; D006801:Humans; D011050:Policy Making; D011640:Public Policy; D012725:Sexual Behavior