Impact of the COVID-19 pandemic on the walk-in appointment in a Primary Health Care Unit. Portuguese Journal of Family Medicine and General Practice, [S. l.], v. 38, n. 6, p. 583–93, 2022. DOI: 10.32385/rpmgf.v38i6.13434. Disponível em: https://rpmgf.pt/ojs/index.php/rpmgf/article/view/13434. Acesso em: 17 apr. 2026.