Safety and Efficacy of 20% Azelaic Acid Vs 4% Hydroquinone in Melasma: A Comparative Study in A Tertiary Care Hospital. Annals of Medicine and Medical Sciences, [S. l.], p. 1201–1205, 2025. DOI: 10.5281/. Disponível em: http://ammspub.com/index.php/amms/article/view/359. Acesso em: 31 oct. 2025.