Siripanthong, P., Wuttikonsammakit, P., & Chamnan, P. (2022). 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(1), 15–24. https://doi.org/10.14456/tjog.2022.3