Gender differences in HIV infection among individuals seen at counseling testing centers in Sao Paulo, Brazil, 2000-2001 - Veras, Maria Amélia de Sousa Mascena; Bassichetto, Kátia Cristina; Mesquita, F; Paneque, Ninfa Aparecida; Carvalho, S V; Zular, Paulete Secco; Pinto, L G; Oliveira, S.; Bergamaschi, Denise Pimentel (International AIDS Conference, 2002)