Importance of vaccine coverage against poliomyelitis. International Seven Journal of Health Research, [S. l.], v. 3, n. 1, p. 187–192, 2024. DOI: 10.56238/isevjhv3n1-018. Disponível em: https://sevenpubl.com.br/ISJHR/article/view/3595. Acesso em: 21 aug. 2025.