Khanna, S., A. Khaliq, J. Kewlani, S. Gupta, and S. Kumar. “Validation of a Questionnaire for the Assessment of Knowledge, Attitude, and Practices in Patients With Irritable Bowel Syndrome”. International Journal of Advances in Medicine, vol. 7, no. 9, Aug. 2020, pp. 1347-54, doi:10.18203/2349-3933.ijam20203597.