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;

Tenofovir vs. entecavir in chronic hepatitis B: A retrospective cohort study of hepatocellular carcinoma risk in a tertiary hospital in southern Brazil Adriana Neis Stamm; Cristiane Valle Tovo; Andressa Noal; Camila Ubirajara Silva; Jaysa Pizzi; Pedro Moreno Fonseca; Dimas Alexandre Kliemann;

Low levels of vaccine coverage and immunity against hepatitis B virus in children with hematological malignancies in Brazil Vitória Machado Krüger; Alexandre Lemos da Silva; Luciano Zubaran Goldani;