Siripanthong, P., P. Wuttikonsammakit, and P. 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, vol. 30, no. 1, Jan. 2022, pp. 15-24, doi:10.14456/tjog.2022.3.