YAGHOOBI, Reza; LAL, Karan; FEILY, Amir. An asymptomatic cluster of violaceous papules. Dermatology Practical & Conceptual, [S. l.], p. 15–16, 2015. DOI: 10.5826/dpc.0503a03. Disponível em: https://dpcj.org/index.php/dpc/article/view/dermatol-pract-concept-articleid-dp0503a03.. Acesso em: 20 apr. 2026.