Fahim, Muhammad, Hina Khoso, Akhtar Hussain, and Rabeeka Bakhtiar. “Deficiency in Alopecia Areata and Responsiveness to Vitamin D Analogues: A Prospective Trial”. Journal of Pakistan Association of Dermatologists 33, no. 4 (October 12, 2023): 1242–1248. Accessed January 25, 2025. https://www.jpad.com.pk/index.php/jpad/article/view/2302.