Ali, Hina, Gita Radhakrishnan, and Alpana Singh. 2017. “Comparison of Metformin and N-Acetylcysteine on Metabolic Parameters in Women With Polycystic Ovarian Syndrome”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 6 (7):3076-84. https://doi.org/10.18203/2320-1770.ijrcog20172938.