1. Exstrophy of the Urinary Bladder;Jeffs,1986
2. Congenital anomalies: An analysis of a myth on Sumerian clay tablets;Agartan;J Med Sci,2010
3. Vesico-intestinal fissure with diphallus;Hall;Br J Urol,1953
4. Johannes von Gräienberg S. Obtervationum Medicarum Rarorum Novarum Admirabilium et Monstrosarum. Vol VII. Frankfurt: 1602.
5. The history of exstrophy of the bladder: The Dutch Contribution;De Vries,1994