REFERENCES
- Nugent, FW, Veidenheimer, MC, Meissner, WA, Haggitt, RC. Gastroenterology 1973, 65, 398–402
- Ritchie, JK, Lockhart-Mummery, HE. Gut 1973, 14, 263–269
- van Patter WN, Bargen, JA, Dockerty, MB, Feldman, WH, Mayo, CW, Waugh, JM. Gastroenterology 1954, 26, 347–450
- Nygaard, K, Fausa, O. Scand J Gastroenterol 1977, 12, 577–584
- Stock, W, Müller, JM, Nohr, L. Dtsch Med Woch-enschr 1979, 104, 47–51
- Korelitz, BJ, Gribetz, D, Kopel, FB. Pediatrics 1968, 42, 446–457
- Steinberg, DM, Allan, RN, Thompson, H, Brooke, BN, Alexander-Williams, J, Cooke, WT. Gut 1974, 15, 845–851
- Lennard-Jones, JE, Stalder, GA. Gut 1967, 8, 332–336
- Greenstein, AJ, Sachar, DB, Pasternack, BS, Janowitz, HD. N Engl J Med 1975, 293, 685–690
- Homan, WP, Dineen, P. Ann Surg 1978, 187, 530–535
- Hellers, G. Acta Chir Scand 1979 (suppl), 490
- Hellberg, R, Hultén, L, Rosengren, C, Ahrén, C. Acta Chir Scand 1980, 146, 435–443
- Lock, MR, Farmer, RG, Fazio, VW, Jagelman, DG, Lavery, JC, Weakley, FL. N Engl J Med 1981, 304, 1586–1588
- Hill, AB. Principles of medical statistics, 8th ed. The Lancet, London, 1966
- Andersen, B, Bonnevie, O. Nord Med 1971, 86, 1388–1391
- Cooke, WT, Mallas, E, Prior, P, Allan, RN. Q J Med 1980, 195, 363–384
- Lee, ECG, Papaioannou, N. Clin Gastroenterol 1980, 9, 419–438
- Brahme, F, Lindström, C, Wenckert, A. Gastroenterology 1975, 69, 342–351
- Lindhagen, T, Ekelund, G, Leandoer, L, Hildell, J, Lindström, C, Wenckert, A. Dis Colon Rectum 1982, 25, 805–808
- Lockhart-Mummery, HE, Morson, BC. Gut 1964, 5, 493–509
- Price, AB, Morson, BC. Hum Pathol 1975, 6, 7–29
- Sellink, JL. Acta Radiol [Diagn] (Stockh) 1974, 15, 318–332
- Laufer, J. CRC Crit Rev Diagn Imaging 1977, 9, 421–448
- Hildell, J, Lindström, C, Wenckert, A. Acta Radiol [Diagn] (Stockh) 1979, 20, 609–625
- Krause, U, Bergman, L, Norlén, BJ. Scand J Gastroenterol 1971, 6, 97–108
- Higgens, CS, Allan, RN. Gut 1980, 21, 933–940
- Davis, JM. Postgrad Med J 1961, 37, 783–791
- Stahlgren, LH, Ferguson, LK. JAMA 1961, 175, 986–989
- Atwell, JD, Duthie, HL, Goligher, JC. Br J Surg 1965, 52, 966–972
- de Dombal, FT, Burton, I, Goligher, JC. Gut 1971, 12, 519–527
- Schofield, PF. Ann R Coll Surg Engl 1965, 36, 258–279
- Farmer, RG, Hawk, WA, Turnbull, RB. Gastroenterology 1975, 68, 627–635
- Goligher, JC, de Dombal, FT, Burton, I. Prog Surg 1972, 10, 1–23
- Selby, WS, Kater, RMH, Heap, TR, Gallagher, ND. Aust NZ J Med 1979, 9, 145–150
- Kåresen, R, Serch-Hansen, A, Thoresen, BO, Herzberg, J. Scand J Gastroenterol 1981, 16, 57–64
- Mühe, E, Gall, FP, Hager, T, Angermann, B, Söhnlein, B, Shier, F, Hermanek, P. Dtsch Med Wochenschr 1981, 106, 165–170
- Pennington, L, Hamilton, SR, Bayless, TM, Cameron, JL. Ann Surg 1980, 192, 311–318
- Dvorak, AM, Conell, AB, Dickersin, GR. Hum Pathol 1979, 10, 165–177
- Goodman, MJ, Skinner, JM, Truelove, SC. Lancet 1976, 1, 275–278
- Glotzer, DJ. Clin Gastroenterol 1980, 9, 371