Solanki, V., A. Chaurasia, S. Singh, S. Sachan, K. Varma, and R. Devi. “Estimation of Serum 25 Hydroxy Vitamin D Level and Its Correlation With Metabolic and Endocrine Dysregulation in Women With PCOS”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 6, no. 7, June 2017, pp. 3085-90, doi:10.18203/2320-1770.ijrcog20172939.