Hepatitis B and risk behavior associated among prisioners of a São Vicente's City prison, SP, Brazil - El Maerrawi, Ilham; Carvalho, Heraclito B.; Fabiani, Maria Claudia de Mattos; Sá, Suellen Rejane Lima; Rozman, Mauro; Trigueiros, Daniela; Boturão, Edmir; Gomes, Claudio Luiz França (International Conference on the Reduction of Drug Related Harm, 2008)