Şimşek, Y., Doğan, N. U., & Şengezer, O. (2010). Multifetal Pregnancy Following Emergency Contraceptive Pill Containing Levonorgestrel: Case Report. Gynecology Obstetrics &Amp; Reproductive Medicine, 16(3), 178–180. Retrieved from https://www.gorm.com.tr/index.php/GORM/article/view/366