Fatima, Safia, et al. “Biochemical Prevalence of Polycystic Ovarian Diseases, Premature Ovarian Failure and Thyroid Dysfunction in Women of Rawalpindi Cohort”. Pakistan Journal of Pathology, vol. 31, no. 4, Dec. 2020, pp. 114-7, https://pakjpath.com/index.php/Pak-J-Pathol/article/view/561.