Hepatitis B vaccination in people living with HIV in the State of Piauí, Brazil. Research, Society and Development, [S. l.], v. 10, n. 6, p. e7010611459, 2021. DOI: 10.33448/rsd-v10i6.11459. Disponível em: https://rsdjournal.org/rsd/article/view/11459. Acesso em: 5 dec. 2025.