REFERENCES
- Atwell, J. D., Duthie, H. L. & Goligher, J. C. 1965. The outcome of Crohn's disease. Brit. J. Surg. 52, 966–972.
- Barber, K. W., Jr., Waugh, J. M., Beahrs, O. H. & Sauer, W. G. 1962. Indications for and the results of the surgical treatment of regional enteritis. Ann. Surg. 156, 472–482.
- Colcock, B. P. & Fortein, C. 1965. Surgical treatment of regional enteritis. Ann. Surg. 161, 812–818.
- Colcock, B. P. & Vansant, J. H. 1960. Surgical treatment of regional enteritis. New Engl. J. Med. 262, 435–439.
- Cornes, J. S. & Stecher, M. 1961. Primary Crohn's disease of the colon and rectum. Gut 2, 189–201.
- Crohn, B. B. 1967. Granulomatous diseases of the small and large bowel. Gastroenterology 52, 767–772.
- Crohn, B. B. & jarnis, H. 1958. p. 139. Grune & Stratton, New York and London.
- Dotevall, G. & Kock, N. G. 1968. Absorption studies in regional enterocolitis (Morbus Crohn). Scand. J. Gastroent. 3, 293–298.
- Edwards, H. 1964. Crohn's disease. J. roy. Coll. Surg. Edinb. 9, 115–127.
- Farmer, R. G., Hawk, W. A. & Turnbull, R. B. 1968. Regional enteritis of the colon: A clinical and pathological comparison with ulcerative colitis. Amer. J. dig. Dis. 13, 501–514.
- Gazet, J. C. & McColl, I. 1967. Absorption of vitamin B12 from the small intestine. Brit. J. Surg. 54, 128–131.
- Gjone, E., Myren, J. & Orning, O. M. 1966. Crohn's disease in Norway—Clinical features. Scand. J. Gastroent. I, 101–105.
- Goligher, J. C. Surgery of the Anus, Rectum and Colon. Ballière, Tindall & Cassell Ltd, London 1967.
- Gump, F. & Lepore, N. J. 1960. Prognosis in acute and chronic regional enteritis. Gastroenterology 39, 694–701.
- Hertzberg, J. M., Myren, J. & Semb, L. S. 1969. Regional enterocolitis (Crohn's disease). Absorption studies after surgical treatment. Scand. J. Gastroent. 4, 569–573.
- Jones, J. H., Lennard-Jones, J. E. & Lockhart-Mummery, H. E. 1966. Experience in the treatment of Crohn's disease of the large intestine. Gut 7, 448–452.
- Lennard-Jones, J. E., Lochart-Mummery, H. E. & Morson, B. C. 1968. Clinical and pathological differentiating of Crohn's disease and proctocolitis Gastroenterology, 1162–1170.
- Lennard-Jones, J. E. & Stalder, G. A. 1967. The prognosis after resection of chronic regional ileitis. Gut 8, 332–336.
- Lockhart-Mummery, H. E. & Morson, B. C. 1960. Crohn's disease (regional enteritis) of the large intestine and its distinction from ulcer-ative colitis. Gut 1, 87–94.
- Norlén, B. J., Krause, U. & Bergman, L. 1970. An epidemiological study of Crohn's disease. Scand. J. Gastroent. 5, 385–390.
- White, R. & Mathews, J. E. 1970. Granulomatous ileocolitis. A 25-year survey. p. 383 in 4th World Congr. Gastroent. Köbenhavn.