Incidence of acute tonsillitis in the sentinel practice network in 1998. Portuguese Journal of Family Medicine and General Practice, [S. l.], v. 18, n. 2, p. 99–108, 2002. DOI: 10.32385/rpmgf.v18i2.9869. Disponível em: https://rpmgf.pt/ojs/index.php/rpmgf/article/view/9869. Acesso em: 30 nov. 2025.