1. Sayuk G.S, Gyawali C.P. Irritable Bowel Syndrome: Modern Concepts and Management Options. Amj Med.2015. 28, 817-827. http://dx.doi.org/ 10.1016/ j.amjmed. 2015.01.036.
2. Clinical manifestations and diagnosis of irritable bowel syndrome. UpToDate. 2022. https://www.uptodate.com/contents/clinical-manifestations-and-diagnosis-of-irritable-bowel-syndrome-in-adults.
3. Lehrer. JK. Irritable Bowel Syndrome. Medscape. 2022. https://emedicine.medscape.com/article/180389-overview.
4. Wald A. Patient Information: Irritable Bowel Syndrome (Beyond the basics). UpToDate. 2014. https://www. uptodate.com /contents/irritable-bowel-syndrome-beyond-the-basics.