References
- Cannon W B. Bodily changes in pain, hunger, fear and rage. D. Appleton, New York 1929
- Wolf S. The psyche and the stomach. A historical vignette. Gastroenterology 1981; 80: 605–14
- Lewin J, Lewis S. Review: Organic and psychosocial risk factors for duodenal ulcer. J Psychosom Res 1995; 39: 531–48
- Wilhelmsen I, Haug T T, Ursin H, Berstad A. Effect of shortterm cognitive psychotherapy on recurrence of duodenal ulcer: a prospective randomized trial. Psychosom Med 1994; 56: 440–8
- Wilhelmsen I, Berstad A. Quality of Life and relapse of duodenal ulcer before and after eradication of Helicobacter pylori. Scand J Gastoenterol 1994; 29: 874–9
- Wilhelmsen I, Weberg R, Berstad K, Hausken T, Hundal Ø, Berstad A. Helicobacter pylori eradication with bismuth subnitrate, oxytetracycline and metronidazole in patients with peptic ulcer disease. Hepato-Gastroenterol 1994; 41: 43–7
- Derogatis L R, Lopez M C, Pais, Pais S R. Administration, scoring and procedures manual. Johns Hopkins University School of Medicine., Baltimore 1983
- Wilhelmsen I, Bakke A, Tangen Haug T, Endresen I M, Berstad A. Psychosocial Adjustment to Illness Scale (PAIS-SR) in a Norwegian material of patients with functional dyspepsia, duodenal ulcer and urinary bladder dysfunction. Clinical validation of the instrument. Scand J Gastroenterol 1994; 29: 611–7
- Brahler E, Scheer J. Der Giessener Beschwerdebogen (GBB). Hans Huber, Bern 1983
- Nouris M J. SPSS/PC+ Statistics 4 0 1990. SPSS Inc., Chicago
- Groen J J. Syndrome shift. Arch Int Med 1964; 144: 113–7