Oearsakul, B., Y. Sirapo-ngam, N. E. Strumpf, and P. Malathum. “Physical Restraint Use Among Hospitalized Elderly Thais”. Pacific Rim International Journal of Nursing Research, vol. 15, no. 2, Feb. 2013, pp. 125-36, https://he02.tci-thaijo.org/index.php/PRIJNR/article/view/6520.