PATEL, D.; MARDINI, J.; CHU, C.; DISSE, M.; FLAMM, A. Heroin-induced Ulcer Mimicking Pyoderma Gangrenosum. SKIN The Journal of Cutaneous Medicine, [S. l.], v. 5, n. 4, p. 414–417, 2021. DOI: 10.25251/skin.5.4.13. Disponível em: https://jofskin.org/index.php/skin/article/view/1210. Acesso em: 22 jan. 2022.