References
- Mark JBD. Surg Gynecol Obstet 1969; 129: 325–330
- Griffin GE, Organ CH. Ann Surg 1976; 183: 382–385
- Drury JK, McKay AJ, Hutchison JSF, Joffe SN. Lancet 1978; 2: 749–750
- Olsen AK, Liavåg I, Roland M. Tidsskr Nor Laeg-eforen 1983; 103: 1924–1927
- Schiller CFR, Truelove SC, Williams DG. Br Med J 1970; 2: 7–14
- Malmagyl AF. Surg Gynecol Obstet 1970; 130: 419–430
- Valnes K, Rosseland A, Pytte R, Stray N. Tidsskr Nor Laegeforen 1978; 98: 903–905
- Mellem H, Stave R, Myren J, Osnes M, Hanssen LE, Mosvold J, Hebnes K. Scand J Gastroenterol 1985; 20: 1246–1248
- Hansky J, Korman MG. Dig Dis Sci 1979; 24: 465–467
- Dronfield MW, Batchelor AJ, Larkworthy W. Gut 1979; 20: 526–530
- Berstad A, Aadland E, Bjerke K, Carlsen E. Scand J Gastroenterol 1981; 16: 933–936
- Marks IN, Wright JP, Lucke W, Girdwood AH. Scand J Gastroenterol 1982; 17: 429–432
- Moshal MG, Spitaels JM, Khan F, Manion GL. S Afr Med J 1982; 62: 12–14
- Barr GD, Kang JY, Canalese J, Piper DW. Gas-troenterology 1983; 85: 100–104
- Ippoliti A, Elashoff J, Valenzuela J, Cano R, Frankl H, Samloff M, Koretz R. Gastroenterology 1983; 85: 875–880
- Hentschel E, Schutze K, Weiss W, Rudiger E, Judmair G, Reichel W, Kerstan E, Horton J. Gut 1983; 24: 853–856
- Lee FJ, Fielding JD, Holmes GKT, Hine KR, Gibson JA, Lochee-Bayne E, Mackay C, Mitchell KG, Pickard WR, Orchard RT, Stone WD. Hepato-gastroenterol 1984; 31: 85–87
- Hentschel E, Schuetze K, Dufek W. Hepato-gastroenterol 1984; 31: 266–268
- Kinloch JD, Pearson AJG, Woolf IL, Young PH. Postgrad Med J 1984; 60: 665–667
- Boyd EJS, Wilson JA, Wormsley KG. Scand J Gastroenterol 1984; 19: 394–400
- Paoluzi P, Ricotta G, Ripoli F, Proietti F, Zac-cardelli E, Carratu R, Torsoli A. Gut 1985; 26: 1080–1085
- Jorde R, Burhol PG, Hansen T. Gut, (in press)
- Ihamäki T, Varis K, Siurala M. Scand J Gastroenterol 1979; 14: 801–812
- Araki S, Goto Y. J Epidemiol Community Health 1985; 39: 82–85
- Gordon JS, Manning JJ. Am J Med Sci. 1941; 202: 423–432
- Portis SA, Jaffe RH. JAMA 1938; 110: 6–13
- Watkinson G. Gut 1960; 1: 14–30
- Levij IS, Fuente AA. Gut 1963; 4: 349–359
- Lindström CG. Scand J Gastroenterol 1978; 13: 139–143
- Doll R, Jones FA. Occupational factors in the aetiology of gastric and duodenal ulcers with an estimate of their incidence in the general population. Medical Research Council, London 1951; 96, Special Report Series of the Medical Research Council, no. 276
- Weir RD, Backett EM. Gut 1968; 9: 75–83
- Gillies MA, Skyring AP. Med J Aust 1969; 2: 280–285
- Monson RR, MacMahon B. N Engl J Med 1969; 281: 11–15
- Sonnenberg A. Scand J Gastroenterol 1985; 20: 11–24, (Suppl 110)
- Fry J. Br Med J 1964; 2: 809–812
- Somerville K, Faulkner G, Langman. Lancet 1986; 1: 462–464
- Garborg Jørgensen T. Br J Surg 1977; 64: 247–249
- Collier DJ, Pain JA. Gut 1985; 26: 359–363
- Silvoso GR, Ivey KJ, Butt JH, Lockard OO, Holt SD, Sisk C, Baskin WN. Ann Intern Med 1979; 91: 517–520
- Boyd EJS, Wilson JA, Wormsley KG. Scand J Gastroenterol 1984; 19: 808–812
- Jorde R, Bostad L, Burhol PG. Lancet 1986; 1: 119–121
- Palmer WL. JAMA 1927; 88: 1778–1780
- Bonney GLW, Pickering GW. Clin Sci 1946; 6: 63–111
- Kinsella VJ. Lancet 1953; 2: 353–361
- Rhodes J, Apsimon HT, Lawrie JH. Gut 1966; 7: 502–508
- Harrison A, Isenberg JI, Schapira M, Hagi L. J Clin Gastroenterol 1982; 4: 105–108
- James O, Kenefick JS. Lancet 1974; 1: 562
- Sturdevant RAL, Isenberg JI, Secrist D, Ansfield J. Gastroenterology 1977; 72: 1–5
- Reid J, Taylor TV, Holt S, Heading RC. Dig Dis Sci 1980; 25: 148–149
- Clinch D, Banerjee AK, Ostick G. Age Ageing 1984; 13: 120–123