Laylay Mohammed Khalleefah Alhibshi, Abdel-Mageed Mahmoud Sarhan, Ahmed Mahmoud Abdo 2021. The Effect of Clomiphene citrate with Estradiol Valerate versus Letrozole on Endometrial Thickness and Pregnancy Rate in Infertile PCOS Women . Annals of the Romanian Society for Cell Biology. 25, 6 (Aug. 2021), 19312–19322.