1. Moayyedi P, Ford AC, Talley NJ, Cremonini F, Foxx-Orenstein AE, Brandt LJ et al. The efficacy of probiotics in the treatment of irritable bowel syndrome: a systematic review. Gut. 2010;59(3):325-32
2. Update S3-Leitlinie Reizdarmsyndrom: Definition, Pathophysiologie, Diagnostik und Therapie des Reizdarmsyndroms der Deutschen Gesellschaft für Gastroenterologie, Verdauungs- und Stoffwechselkrankheiten (DGVS) und der Deutschen Gesellschaft für Neurogastroenterologie und Motilität (DGNM) Layer P et al., 2021 ZfG, in press
3. Hotz J, Enck P, Goebell H, Heymann-Monnikes I, Holtmann G, Layer P. [Consensus report: irritable bowel syndrome--definition, differential diagnosis, pathophysiology and therapeutic possibilities. Consensus of the German Society of Digestive and Metabolic Diseases]. Z Gastroenterol. 1999;37(8):685-700
4. Owens DM, Nelson DK, Talley NJ. The irritable bowel syndrome: long-term prognosis and the physician-patient interaction. Ann Intern Med. 1995;122(2):107-12
5. Sullivan SN. Management of the irritable bowel syndrome: a personal view. J Clin Gastroenterol. 1983;5(6):499-502