Kumar, A., R. Kumari, S. Kumar, and P. Raj. “Effect of Chewing Gum on Bowel Motility in Post Operative Patients Following Abdominal Surgery: A Clinical Outcome Based Study”. International Surgery Journal, vol. 5, no. 8, July 2018, pp. 2808-12, doi:10.18203/2349-2902.isj20183196.