1. The OEIS complex (omphalocele, exstrophy, imperforate anus, spinal defects);Carey, J.C.; Greenbaum, B.; Hall, B.D.;Birth Defects,1978
2. Exstrophia splanchnica (exstrophy of the cloaca);Spencer, R.;Pediatr Surg,1965
3. Cloacal exstrophy: a report of 34 cases;Hurwitz, R.S.; Manzoni, G.A.M.; Ransley, P.G.; Stephens, F.D.;J Urol,1987
4. Cloacal exstrophy in identical twins;Redman, J.F.; Seibert, J.J.; Page, B.C.;Urology,1981
5. Prospective management of exstrophy of the cloaca and myelocystocele following prenatal ultrasound recognition of neural tube defects in identical twins;McLaughlin, J.F.; Marks, W.M.; Jones, G.;Am J Med Genet,1984