Nanthawong, E., U. Sangkomkamhang, and T. Sangkomkamhang. “Gum Chewing for Stimulating Early Recovery of Bowel Function after Postoperative Benign Gynecologic Surgery: A Randomized Controlled Trial”. Thai Journal of Obstetrics and Gynaecology, vol. 24, no. 4, Dec. 2016, pp. 247-54, doi:10.14456/tjog.2016.35.