REFERENCES
- Amdrup, E., Andersen, D., & Jensen, H.-E. Wld J. Surg. 1977, 1, 19-27
- Brandsborg, O., Brandsborg, M., & Christensen, N. J. Gastroenterology 1975, 68, 455-462
- Dodds, W. J., Hogan, W. J., Stef, J. J., Miller, W. N., Lydon, S. B., & Arndorfer, R. C. Gastroenterology 1975, 68, 437-443
- Fischer, R. S., & Cohen, D. Ann. Rev. Med. 1975, 26, 373-390
- Freeland, G. R., Higgs, R. H., Castell, D. O., & McGuigan, J. E. Gastroenterology 1976, 71, 570-574
- Lipshutz, W., Tuch, A. F., & Cohen, S. Gastroenterology 1971, 61, 454-460
- Matarazzo, S. A., Snape, W. J., Ryan, J. P., & Cohen, S. Gastroenterology 1976, 71, 999-1003
- Roszkowski, A., Guillow, P., & Giles, G. Brit. J. Surg. 1973, 60, 489-493
- Snape, W. J., & Cohen, S. Arch. Intern. Med. 1976, 136, 538-542