Sahu, M., and N. R. Rout. “Comparative Study of Clomiphene Citrate Versus Letrozole As First-Line Ovulation Induction Drug in Infertile Polycystic Ovary Syndrome Women”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 9, no. 7, June 2020, pp. 2948-52, doi:10.18203/2320-1770.ijrcog20202738.