1. Baird, P. A., & MacDonald, E. C. (1981). An epidemiologic study of congenital malformations of the anterior abdominal wall in more than half a million consecutive live births. American Journal of Human Genetics, 33, 470–478.
2. Barisic, I., Clement, M., Häusler, M., et al. (2001). Evaluation of prenatal ultrasound diagnosis of fetal abdominal wall defects by 19 European registries. Ultrasound in Obstetrics & Gynecology, 18, 309–316.
3. Benacerraf, B. R., Saltzman, D. H., Estroff, J. A., et al. (1990). Abnormal karyotype of fetuses with omphalocele: Prediction based on omphalocele contents. Obstetrics and Gynecology, 75, 317–321.
4. Biard, J. M., Wilson, R. D., Johnson, M. P., et al. (2004). Prenatally diagnosed giant omphaloceles: Short- and long-term outcomes. Prenatal Diagnosis, 24, 434–439.
5. Bonilla-Musoles, F., Machado, L. E., Bailao, L. A., et al. (2001). Abdominal wall defects: Two- versus three-dimensional ultrasonographic diagnosis. Journal of Ultrasound in Medicine, 20, 379–389.