REFERENCES
- Behar, J., Biancani, P., Spiro, H. M. & Storer, E. H. Gastroenterology 1974, 67, 209–215
- Bennett, J. R. & Atkinson, M. Lancet 1966, 2, 1150–1152
- Benz, L. J., Hootkin, L. A., Margulies, S., Donner, M. W., Cauthorne, R. T. & Hendrix, T. R. Gastroenterology 1972, 62, 1–5
- Bernstein, L. M. & Baker, L. A. Gastroenterology 1958, 34, 760–781
- Boesby, S. Scand. J. Gastroent. 1977, 12, 241–244
- Boesby, S. Scand. J. Gastroent. 1977, 12, 407–416
- Boesby, S., Madsen, T. & Sørensen, H. R. Scand. J. Gastroent. 1975, 10, 379–384
- Gillison, E. W., de Castro, V. A. M., Nyhus, L. M., Kusakari, K. & Bombeck, C. T. Surg. Gynec. Obstet. 1972, 134, 419–424
- Kaye, M. D., Showalter, J. P. J. Lab. Clin. Med. 1974, 83, 198–206
- Miller, W. N., Hogan, W. J., Dodds, W. J., Arndorfer, R. C. & Stef, J. J. Gastroenterology 1974, 66, 747.
- Orlando, R. C. & Bozymski, E. M. New Engl. J. Med. 1973, 289, 522–523
- Safaie-Shirazi, S. J. Surg. Res. 1977, 22, 5–8
- Safaie-Shirazi, S., DenBesten, L. & Zike, W. L. Gastroenterology 1975, 68, 728–733
- Skinner, D. B. & Booth, D. J. Ann. Surg. 1970, 172, 627–637
- Sladen, G. E., Riddell, R. H. & Willoughby, J. M. T. Brit. Med. J. 1975, 1, 71–76
- Spencer, J. Proc. Roy. Soc. Med. 1972, 65, 30–32
- Stol, D. W., Murphy, G. M. & Collis, J. L. Scand. J. Gastroent. 1974, 9, 97–101
- Tuttle, S. G., Bettarello, A. & Grossman, M. I. Gastroenterology 1960, 38, 861–872
- Vela, A. R. & Akdamar, K. Gastroenterology 1975, 68, 1005
- Wallin, L., Madsen, T., Boesby, S. & Sørensen, O. Scand. J. Gastroent. 1979, 14, 481–487
- Wickbom, G., Bushkin, F. L. & Woodward, E. R. Surg. Gynec. Obstet. 1974, 139, 267–271