Wongruang , W., Vuttanon , N. and Udomkhamsuk , W. (2020) “Effect of Gum Chewing on Bowel Function Recovery in Post Abdominal Surgery Patients”, Nursing Journal CMU, 47(3), pp. 157–167. available at: https://he02.tci-thaijo.org/index.php/cmunursing/article/view/245758 (accessed: 9 October 2026).