JIMENEZ, A.; HOYER, P.; WILKERSON, M. An Atypical Presentation of Pemphigus Vegetans in the Umbilicus. SKIN The Journal of Cutaneous Medicine, [S. l.], v. 4, n. 5, p. 452–455, 2020. DOI: 10.25251/skin.4.5.12. Disponível em: https://www.jofskin.org/index.php/skin/article/view/868. Acesso em: 5 jul. 2022.