HIV prevalence and associated risk behaviors among idus in the city of Santos, São Paulo, Brazil: trends between 1992 and 1994 - Carvalho, H. B.; Burattini, Marcelo Nascimento; Turienzo, G.; Carvalho, H. B.; Mesquita, F.; Heraclito, B.; Bueno, Regina; Massad, Eduardo; Azevedo Neto, Raymundo Soares de (International Conference on The Reduction of Drug Related Harm, 1997)