HASAN, Taina; PASANEN, Paavo; JANSEN, Christer T. Epidermal Urocanic Acid in Discoid Lupus Erythematosus. Acta Dermato-Venereologica, [S. l.], v. 79, n. 5, p. 411–412, 1999. DOI: 10.1080/000155599750010562. Disponível em: https://medicaljournalssweden.se/actadv/article/view/14326. Acesso em: 26 jun. 2026.