Ay, S. S., Birge, Özer, Bakır, M. S., & Yumru, A. E. (2021). Efficacy of letrozole versus clomiphene citrate for infertile women with polycystic ovary syndrome. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, 10(8), 2944–2949. https://doi.org/10.18203/2320-1770.ijrcog20212938