FERRARI, T. C. A.; FARIA, A. C. de; VIDIGAL, P. V. T.; CORREA, B. H. M.; FARIA, L. C.; XAVIER, M. A. P. Occult hepatitis B virus infection in patients with chronic liver disease of different etiology in a Brazilian referral center: comparison of two different hepatitis B virus deoxyribonucleic acid amplification protocols: a cross-sectional study. São Paulo Medical Journal, [S. l.], v. 141, n. 3, p. 1–8, 2023. Disponível em: https://periodicosapm.emnuvens.com.br/spmj/article/view/456. Acesso em: 14 mar. 2025.