REFERENCES
- Amdrup, B. M. & Griffith, C. A. Ann. Surg. 1969, 170, 207–214
- Berger, T. Acta Chir, Scand. 1969, Suppl. 404
- Berger, T., Ceder, L., Hamfelt, A. & Meurling, S. Scand. J. Gastroent. 1976, 11, 829–832
- Buckler, K. G. Gut 1967, 8, 137–147
- Clarke, R. J. & Alexander-Williams, J. Gut 1973, 14, 300–307
- Cowley, D. J., Vernon, P., Jones, T., Glass, H. T. & Cox, A. C. Gut 1972, 13, 176–181
- Dozois, R. R., Kelly, K. A. & Code, C. F. Gastroenterology 1971, 61, 675–681
- Georges, J. D., Connel, A. M. & Kennedy, T. Gut 1968, 9, 7–32
- MacGregor, I., Darent, J. & Meyer, J. H. Gastroenterology 1977, 72, 195–205
- MacGregor, I., Martin, P. & Meyer, J. H. Gastroenterology 1977, 72, 206–211
- Haynes, S., Thomsson, J. D. S., Brown, N. & Kelling, D. N. Brit, J. Surg. 1973, 60, 307–308
- Hunt, J. N. Guy Hosp. Dept. 1947, 96, 248
- Hunt, J. N. & Spurrel, W. R. J. Physiol (Lond.) 1951, 113, 157–168
- Johnston, D., Humphrey, C. S., Walker, B. E., Pulvertaft, C. N. & Goligher, J. C. Brit. Med. J. 1972, 3, 788–792
- Johnston, D., Wilkinson, A. R., Humphrey, C. S., Smith, R. B., Goligher, J. C., Kragelund, F. & Amdrup, E. Gastroenterology 1973, 64, 1–11
- Köster, N. & Madsen, P. Scand. J. Gastroent. 1970, 5, 381–383
- Martinsson, J. Acta Phys. Scand. 1965, Suppl. 255
- Moberg, S., Carlberg, G., Barany, F. & Lundh, G. Rendic Gastroenterol. 1972, 4, 1–7
- Stadaas, J. & Aune, S. Acta Chir. Scand. 1970, 136, 611–615
- Stubbs, D. F. & Hunt, J. N. Gut 1975, 16, 693–694
- Talstad, I., Fretheim, B., Myren, J., Gjone, E. & Holter, O. Scand. J. Gastroent. 1975, Suppl. 10, 33, 1–27
- Wilbur, B. G. & Kelly, K. A. Ann. Surg. 1973, 178, 295–303