Frequency of serum zinc deficiency in diagnosed patients with melasma. Journal of Pakistan Association of Dermatologists, [S. l.], v. 33, n. 4, p. 1442–1445, 2023. DOI: 10.66344/jpad.v33i4.2536. Disponível em: https://www.jpad.com.pk/index.php/jpad/article/view/2536. Acesso em: 26 jul. 2026.