Shahzadi, N., S. S. Pal, F. Asad, Z. Rani, and K. Khurshid. “Frequency of Autoimmune Disorders in Patients of Alopecia Areata”. Journal of Pakistan Association of Dermatologists, vol. 26, no. 2, Nov. 2016, pp. 112-7, https://www.jpad.com.pk/index.php/jpad/article/view/51.