REFERENCES
- Brandsborg, O., Brandsborg, M. & Christensen, N. J. Europ. J. Clin. Invest. 1976, 6, 395–401
- Brandsborg, O., Brandsborg, M., Lövgreen, N. A., Mikkelsen, K., Möller, B., Rokkjær, M. & Amdrup, E. Gastroenterology 1977, 72, 212–214
- Gravgaard, E., Möller, S. H. & Andersen, D. Scand. J. Gastroent. 1977, 12, 585–588
- Jaffe, B. M., Clendinnen, B. G., Clarke, R. J. & Williams, A. J. Gastroenterology 1974, 66, 944–953
- Kirwan, W. O. & Smith, A. M. Scand. J. Gastroent. 1976, 11, 145–149
- Lauge-Hansen, N. Developmental Anatomy of the Human Gastrointestinal Tract. Munksgård, Copenhagen, 1973
- Slavensky, E. J. Developmental Anomalies of the Duodenal Loop. Munksgård, Copenhagen, 1969
- Thommesen, P. Fortschr. Röntgenstr. 1914, 121, 749–760
- Walsh, J. H. & Grossman, M. I. New Engl. J. Med. 1975, 292, 1377–1384