Hepatitis B and C virus infection among HIV patients within the public and private healthcare systems in Chile: A cross-sectional serosurvey. oleh Thomas Weitzel, Fernanda Rodríguez, Luis Miguel Noriega, Alejandra Marcotti, Luisa Duran, Carla Palavecino, Lorena Porte, Ximena Aguilera, Marcelo Wolff, Claudia P Cortes