Oliveira, Ledy H.S., Isabel R. Silva, Nubia K. Almeida, Bruno R.S. Xavier, and Silvia M.B. Cavalcanti. 1999. “Hepatitis B Infection in Patients Attended at Sexually Transmitted Disease Clinic from Federal Fluminense University”. Brazilian Journal of Sexually Transmitted Diseases 11 (4). Niterói:27-30. https://www.bjstd.org/revista/article/view/346.