Lupus pericarditis: chest pain and fever amidst COVID19 pandemic. Portuguese Journal of Family Medicine and General Practice, [S. l.], v. 38, n. 3, p. 300–4, 2022. DOI: 10.32385/rpmgf.v38i3.13221. Disponível em: https://rpmgf.pt/ojs/index.php/rpmgf/article/view/13221. Acesso em: 18 jan. 2026.