Molecular investigation of occult hepatitis B virus infection in a reference center in Northern Brazil Suellen dos Reis Araújo; Andreza Pinheiro Malheiros; Vânia Pinto Sarmento; Heloisa Marceliano Nunes; Pedro Eduardo Bonfim Freitas;

Serological and molecular characterization of hepatitis B virus infection in chronic kidney disease patients from Rio de Janeiro, Brazil Livia Melo Villar; Ketlyn Araujo Fraga; Ana Carolina da Fonseca Mendonça; Juliana Custódio Miguel; Elisangela Ferreira da Silva; Jakeline Ribeiro Barbosa; Paulo Sérgio Fonseca de Sousa; Lia Laura Lewis-Ximenez; Francisco Campello do Amaral Mello;

Seroprevalence and factors associated with Human Immunodeficiency virus, Human T lymphotropic virus and Hepatitis B/C infections in parturient women of Salvador ¿ Bahia, Brazil Ludy Vargas; Fernanda Bastos; André Guimarães; Sávio Amaral; Tarcisio Fausto; Maria Arriaga; Manoel Sarno; Carlos Brites;