REFERENCES
- Bejar, J. Arch. Intern. Med. 1976, 136, 560–566
- Cooke, A. Gastroenterology 1975, 68, 804–816
- Csendes, A. & Larrain, A. Gastroenterology 1972, 63, 19–24
- Demeester, T. R., Johnson, L. F., Joseph, G. J., Toscano, M. S., Hall, A. W. & Skinner, D. B. Ann. Surg. 1976, 189, 459–469
- Dragstedt, L. R., Camps, E. H. & Fritz, J. H. Ann. Surg. 1949, 130, 843–854
- George, J. D. Gut 1968, 9, 237–242
- Heitmann, P., Espinoza, J. & Csendes, A. Scand., J. Gastroent. 1969, 4, 1–11
- Heitmann, P., Csendes, A. & Strauszer, T. J. Amer. Dig. Dis. 1971, 16, 307–340
- Ismael-Beigi, I., Horton, P. F. & Pope, C. E., II. Gastroenterology 1970, 58, 163–174
- Larrain, A., Csendes, A. & Pope, C. E., II. Gastroenterology 1975, 69, 578–583
- Pope, C.E. II. Gastroenterology 1976, 70, 445–454