1. Andrews H, Barczak P, Allan RN (1987) Psychiatric illness in patients with inflammatory bowel disease. GUT 28: 1600–1604
2. Baumgartner A (1993) Schilddrüsenhormone and depressive Erkrankungen-Kritische Übersicht und Perspektiven. Teil 1: Klinik. Nervenarzt 64: 1–10
3. Bennett DS (1994) Depression among children with chronic medical problems: a meta-analysis. J Pediatr Psychol 19: 149–169
4. Blanchard EB, Scharff L, Schwarz SP et al. (1990) The role of anxiety and depression in the irritable bowel syndrome. Behav Res Ther 28: 401–405 (DA)
5. Bukberg JB, Holland JC (1980) A prevalence study of depression in a cancer hospital population. Proc Am Assoc Cancer Res 21: 382