1. Prognosis of transplantation of the appendix in hypospadias;Axhausen;Berl. klin. Wchnschr.,1918
2. Lewis' Practice of Surgery;Barney,1947
3. The correction of scrotal hypospadias and of epispadias;Blair;Surg., Gynec. & Obst.,1933
4. A new operation for penile hypospadias;Bucknall;Lancet,1907
5. The treatment of hypospadias in theory and practice;Cabot;New England J. Med.,1936