1. Anger, T.: Quoted by C. D. Creevy 1958.
2. Aronoff, M.: A one-stage operative technique for the treatment of sub-glandular hypospadias in children. Brit. J. plast. Surg. 16, 59–62 (1963).
3. Backus, L. H., and C. A. De Felice: Hypospadias — then and now. Plast reconstr. Surg. 25, 146–160 (1960).
4. Barcat, J., et J. C. Stephan: L’hypospadias: Étude clinique et thérapeutique; à propos de 140 nouveaux cas. J. Chir. 81, 551–580 (1961).
5. Barsky, A. J., S. Kahn, and B. E. Simon: Principles and practice of plastic surgery, 2. ed. New York: Blakiston Co. — Division of McGraw-Hill Book Co. Inc. 1964.