Gürel, S.A. 2016. Prenatal Diagnosis of Isolated Hypospadias by Using “Tulip Sign” with Two and Three-Dimensional Ultrasonography. Gynecology Obstetrics & Reproductive Medicine. 22, 1 (Apr. 2016), 54–56. DOI:https://doi.org/10.21613/GORM.2016.115.