Ünlü, Serdar, Gülnur Özakşit, Rana Karayalçın, Sarp Özcan, Emin Üstünyurt, and Ebru ÜNLÜ. 2008. “Similar Pregnancy Rates Between Different Endometrial Echo Patterns in ART”. Gynecology Obstetrics &Amp; Reproductive Medicine 14 (2). Ankara, TR:94-98. https://gorm.com.tr/index.php/GORM/article/view/444.