Multiple ulcers in a young boy. Journal of Pakistan Association of Dermatologists, [S. l.], v. 16, n. 4, p. 246–248, 2017. DOI: 10.66344/jpad.v16i4.889. Disponível em: https://www.jpad.com.pk/index.php/jpad/article/view/889. Acesso em: 22 sep. 2026.