Reactivation of bullous pemphigus after stopping fingolimod in a patient with multiple sclerosis: A case report from the island region. Actas Médicas (Ecuador), [S. l.], v. 35, n. S1, p. 16, 2025. DOI: 10.61284/264. Disponível em: https://actasmedicas.ec/index.php/am/article/view/264.. Acesso em: 22 may. 2026.