PANDA, S. R.; SHARMILA, V.; KALIDOS, V. K.; HOTA, S. Trial design and protocol of randomized controlled trial comparing the efficacy of combined letrozole and clomiphene versus only letrozole as a method of ovulation induction in women with polycystic ovarian syndrome (CCLOP trial). International Journal of Clinical Trials, [S. l.], v. 9, n. 3, p. 217–220, 2022. DOI: 10.18203/2349-3259.ijct20221874. Disponível em: https://www.ijclinicaltrials.com/index.php/ijct/article/view/594. Acesso em: 22 oct. 2025.