Farid-ur-Rehman, D., I. Sohail, Z. Hayat, and N. A. Niazi. “Etiology of Hirsutism. Is There a Correlation Between Menstrual Regularity, Body Mass Index and Severity of Hirsutism With the Cause?”. Journal of Pakistan Association of Dermatologists, vol. 20, no. 1, Dec. 2016, pp. 4-9, https://www.jpad.com.pk/index.php/jpad/article/view/360.