Artheeraphan, J., A. Srisubat, C. Jiamton, C. Jindapol, R. Boonyai, W. Tasomboon, and S. Udomporn. “Cost-effectiveness of Refracture Prevention Program for Fractured Hip Patients in Lerdsin Hospital”. Journal of Health Systems Research, vol. 15, no. 3, Sept. 2021, pp. 326-43, https://he04.tci-thaijo.org/index.php/j_hsr/article/view/3497.