Incidence and outcome of first syncope in primary care: A retrospective cohort study. Portuguese Journal of Family Medicine and General Practice, [S. l.], v. 27, n. 6, p. 562–4, 2011. DOI: 10.32385/rpmgf.v27i6.10907. Disponível em: https://rpmgf.pt/ojs/index.php/rpmgf/article/view/10907. Acesso em: 17 apr. 2026.