- Schmidt FM, Santos VL. Prevalence of constipation in the general adult population: an integrative review. J Wound Ostomy Continence Nurs. 2014;41(1):70–76. doi:10.1097/01.WON.0000438019.21229.b7.
- Mugie SM, Benninga MA, Di Lorenzo C. Epidemiology of constipation in children and adults: a systematic review. Best Pract Res Clin Gastroenterol. 2011;25(1):3–18. doi:10.1016/j.bpg.2010.12.010.
- Sonnenberg A, Koch TR. Physician visits in the United States for constipation: 1958 to 1986. Digest Dis Sci. 1989;34(4):606–611. doi:10.1007/BF01536339.
- Nyrop KA, Palsson OS, Levy RL, et al. Costs of health care for irritable bowel syndrome, chronic constipation, functional diarrhoea and functional abdominal pain. Aliment Pharmacol Ther. 2007;26(2):237–248. doi:10.1111/j.1365-2036.2007.03370.x.
- Drossman DA. The functional gastrointestinal disorders and the Rome III process. Gastroenterology. 2006;130(5):1377–1390. doi:10.1053/j.gastro.2006.03.008.
- Jones MP, Dilley JB, Drossman D, et al. Brain-gut connections in functional GI disorders: anatomic and physiologic relationships. Neurogastroenterol Motil. 2006;18(2):91–103. doi:10.1111/j.1365-2982.2005.00730.x.
- Hosseinzadeh ST, Poorsaadati S, Radkani B, et al. Psychological disorders in patients with chronic constipation. Gastroenterol Hepatol Bed Bench. 2011;4(3):159–163.
- Quadri A, Vakil N. Health-related anxiety and the effect of open-access endoscopy in US patients with dyspepsia. Aliment Pharmacol Ther. 2003;17(6):835–840. doi:10.1046/j.1365-2036.2003.01497.x.
- Longstreth GF, Thompson WG, Chey WD, et al. Functional bowel disorders. Gastroenterology. 2006;130(5):1480–1491. doi:10.1053/j.gastro.2005.11.061.
- Jamshed N, Lee ZE, Olden KW. Diagnostic approach to chronic constipation in adults. Am Fam Physician. 2011;84(3):299–306.
- Lindberg G, Hamid SS, Malfertheiner P, et al. World Gastroenterology Organisation global guideline: constipation—a global perspective. J Clin Gastroenterol. 2011;45(6):483–487.
- Tanaka S, Saitoh Y, Matsuda T, et al. Evidence-based clinical practice guidelines for management of colorectal polyps. J Gastroenterol. 2015;50(3):252–260. doi:10.1007/s00535-014-1021-4.
- Lucock MP, Morley S. The Health Anxiety Questionnaire. Br J of Health Psychol. 1996;1(2):137–150. doi:10.1111/j.2044-8287.1996.tb00498.x.
- Lucock MP, Morley S, White C, et al. Responses of consecutive patients to reassurance after gastroscopy: results of self administered questionnaire survey. BMJ 1997;315(7108):572–575. doi:10.1136/bmj.315.7108.572.
- Agachan F, Chen T, Pfeifer J, et al. A constipation scoring system to simplify evaluation and management of constipated patients. Dis Colon Rectum.1996;39(6):681–685. doi:10.1007/BF02056950.
- Esfandyari T, Harewood GC. Value of a negative colonoscopy in patients with non-specific gastrointestinal symptoms. J Gastroenterol Hepatol. 2007;22(10):1609–1614. doi:10.1111/j.1440-1746.2006.04753.x.
Short-term effect of a negative colonoscopy in patients with functional constipation
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