HUSSAIN, A.; SHAHBAZ, U.; SHAHEEN, E.; GHIAS, A.; RAFFAD; KHALID, A.; AMAN, S. . Comparison of effectiveness and safety of topical 30% metformin versus 4% hydroquinone in the treatment of epidermal melasma. Journal of Pakistan Association of Dermatologists, [S. l.], v. 34, n. 1, p. 73–79, 2024. DOI: 10.66344/jpad.34.1.2024.2748. Disponível em: https://www.jpad.com.pk/index.php/jpad/article/view/2748. Acesso em: 22 apr. 2026.