YU, Shan; SONG, Cunzheng. Clinical characteristics of coronavirus disease 2019 patients with hepatitis B virus super-infection. Revista do Instituto de Medicina Tropical de São Paulo, São Paulo, Brasil, v. 66, p. e74, 2025. DOI: 10.1590/. Disponível em: https://revistas.usp.br/rimtsp/article/view/233362. Acesso em: 18 feb. 2026.