Ilangovan S. A comparative study of letrozole and clomiphene citrate for ovulation induction in women with polycystic ovarian syndrome: a randomized controlled trial. Int J Reprod Contracept Obstet Gynecol [Internet]. 2024 Jul. 9 [cited 2025 Nov. 11];13(8):1999-2003. Available from: https://www.ijrcog.org/index.php/ijrcog/article/view/14325