“Safety and Efficacy of 20% Azelaic Acid Vs 4% Hydroquinone in Melasma: A Comparative Study in A Tertiary Care Hospital”, AMMS, pp. 1201–1205, Oct. 2025, Accessed: Jan. 30, 2026. [Online]. Available: https://ammspub.com/index.php/amms/article/view/359