Siripanthong, Patchareeya, Piyawadee Wuttikonsammakit, and Parinya Chamnan. “Efficacy of Cold Gel Pack in Reducing Postoperative Pain in Cesarean Delivery at Sanpasitthiprasong Hospital: Randomized controlled trial”. Thai Journal of Obstetrics and Gynaecology 30, no. 1 (January 1, 2022): 15–24. accessed December 5, 2025. https://he02.tci-thaijo.org/index.php/tjog/article/view/246047.