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;

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;

Survival after liver transplantation from hepatitis B-core positive donors at a quaternary care hospital in Brazil Fabiana Siroma; Edson Abdala; Stefanie Lima do Nascimento Castro; Wellington Andraus; Luiz Augusto Carneiro D´Álbuquerque; Alice Tung Wan Song;