Paudel, M. S.; Mandal, A. K.; Shrestha, B.; Poudyal, N. S.; KC, S.; Chaudhary, S.; Shrestha, R.; Goel, K. Prevalence of Organic Colonic Lesions by Colonoscopy in Patients Fulfilling ROME IV Criteria of Irritable Bowel Syndrome. J Nepal Med Assoc 2018, 56, 487-492.