Halder, Saswati, Atin Halder, Subhas Ch. Nag, Dr. Rajesh, and Prodip Sarkar. 2016. “Melasma in the People of Sub-Himalayan Region of Eastern India”. Journal of Pakistan Association of Dermatologists 23 (2):139-42. https://www.jpad.com.pk/index.php/jpad/article/view/296.