REFERENCES
- Alsted, G. The Incidence of Peptic Ulcer in Denmark. Danish Science Press, Copenhagen, 1953
- Banke, L. Ulcussygdommens epidemiologi. F. A. D. L.’s forlag, Copenhagen, 1975
- Barfred, A. pp. 352–359 in Proc. World Congr. Gastroenterol. Baltimore, 1959
- Bonnevie, O. Scand. J. Gastroent. 1975, 10, 231–239
- Bonnevie, O. Scand. J. Gastroent. 1975, 10, 385–393
- Bonnevie, O. Scand. J. Gastroent. 1975, 10, 529–536
- Bonnevie, O. Scand. J. Gastroent. 1975, 10, 657–664
- Bonnevie, O. Ugeskr. f. Lœg. 1975, 137, 1313–1321
- Doll, R., Jones, F. A. & Buckatzsch, M. M. Occupational Factors in the Aetiology of Gastric and Duodenal Ulcers. His Majesty’s Stationery Office, London, 1951
- Fry, J. Profiles of Disease. A Study of the Natural History of Common Diseases. Livingstone, Edinburgh 1966
- Gear, W. L., Truelove, S. C., Gwyn Williams, D., Massarella, G. R. & Boddington, M. M. Brit. J. Surg. 1969, 56, 739–742
- Jones, F. A., Gummer, J. W. P. & Lennard-Jones, J. E. pp. 357–358, 491, 513 in Clinical Gastroenterology. Blackwell Scientific Publ., 1968
- Jones, F. A. & Poliak, H. Brit. Med. J. 1945, 797–800
- Lindhardt, Marie. Sygdomsundersogelsen i Danmark 1951-1954. Munksgaards Forlag, Copenhagen, 1960
- Möllmann, K.-M., Bonnevie, O., Gudmand-Höyer, E. & Wulff, H. R. A diagnostic study of patients with upper abdominal pain. Scand. J. Gastroent. To be published
- Sponheim, N. Nord. Med. 1960, 63, 377–408
- Weir, R. D. & Backett, E. M. Gut 1968, 9, 75–83