Clinical and histological characteristics of HIV and hepatitis C virus-co-infected patients in Brazil: a case series study - Mendes-Corrêa, Maria Cássia Jacintho; Widman, Azzo; Brussi, Maria Luiza Paes; Guastini, Cristina Fátima; Cavalheiro, Norma de Paula; Melo, Carlos Eduardo; Barone, Antonio Alci; Gianini, Reinaldo Jose (Revista do instituto de medicina tropical de São Paulo, 2008)