REFERENCES
- Behar J., Biancani, P. & Sheahan, M. B. Gastroenterology 1976, 71, 9–15
- Haddad J. K. Gastroenterology 1970, 58, 175–184
- Hancock, B. D. Gut 1976, 17, 645–651
- Kock N. G. Arch. Surg. 1969, 99, 223–231
- Kock, N. G. Progr. Surg. 1973, 12, 180–201
- Kock, N. G., Darle, N., Hultén, L., Kewenter, J., Myrvold, H. & Philipson, B. Curr. Probl. Surg. 1977, 14, No. 8, Aug.
- Pope, C. E. Gastroenterology 1967, 52, 779–786
- Säuberli, H., Geroulanos, S., Hahnloser, P., Schauwecker, H. & Kock, N. G. Dis. Col. Rect. 1974, 17, 735–740
- Scheurer, U. & Halter. F. Scand. J. Gastroent. 1976, 11, 629–634
- Winans, C. S. & Harris, L. D. Gastroenterology 1967, 52, 773–778