Prevalence, Incidence Density, and Genotype Distribution of GB Virus C Infection in a Cohort of Recently HIV-1-Infected Subjects in Sao Paulo, Brazil - Giret, Maria Teresa M.; Miraglia, João Luiz; Sucupira, Maria Cecília Araripe; Nishiya, Anna; Levi, José Eduardo; Diaz, Ricardo S.; Sabino, Ester Cerdeira; Kallas, Esper G. (Plos One, 2011)