Pakamas Keawnantawat และผู้แต่งคนอื่นๆ. (2018) Effectiveness of cold therapy in reducing acute pain among persons with cardiac surgery: A randomized control trial. <i>Songklanakarin Journal of Science and Technology</i>, <i>40</i>(6), 1378-1385.Pakamas Keawnantawat และผู้แต่งคนอื่นๆ. "Effectiveness of cold therapy in reducing acute pain among persons with cardiac surgery: A randomized control trial". Songklanakarin Journal of Science and Technology 40 (2018):1378-1385.Pakamas Keawnantawat และผู้แต่งคนอื่นๆ. Effectiveness of cold therapy in reducing acute pain among persons with cardiac surgery: A randomized control trial. Research and Development Office, Prince of Songkla University:ม.ป.ท. 2018.