Thongta W, Sangplian S. “Comparative Study for Effeciency Between Dynamic and Modified Jaw Exercise ToPrevent Trismus in Irradiated Head and Neck Cancer Patients”. Journal of The Department of Medical Services 44, no. 5 (October 1, 2019): 66–69. Accessed October 1, 2022. https://he02.tci-thaijo.org/index.php/JDMS/article/view/246643.