1. HIV epidemiology: past, present and future;Blattner WA;Faseb,1991
2. Rectal gonorrhea as an independent risk factor for HIV infection in a cohort of homosexual man;Craib KJP;Genitourin Med,1995
3. Risk behaviors of persons with heterosexually acquired HIV in United States; results of a Multistate Surveillance Project;Diaz T;JAIDS,1994
4. Estimated prevalence of viral hepatitis in the general population of the municipality of São Paulo, measured by a serologic survey of a stratified, randomized and residence-based population;Focaccia R;BJID,1998