2Erol A, Baskin LS, Liy YW, et al. Anatomical studies of the urethral plate :why preservation of the urethral plate is important in hypospadias repair. BJU Int ,2000,85:728-734.
3Duckett JW. Hypospadias. In Walsh PC, Gittes RF, PerlmutterAD, eds. Campbell's Urology,Sthed. Philadelphia, W. B. Saunders, 1986. 1969- 1999.
4Baskin LS, Duckett JW, Ueoka K, et al. Changing concepts of hypospadias curvature lead to more onlay is land flap procedures. J Urol, 1994,151 : 191-196.
