Laisirirungrai, D., S. Yotsungnoen, W. Ekabutr, and P. Sakulsriprasert. “The Relationship of Lumbar Dysfunction and Range of Motion Limitation”. Srinagarind Medical Journal, vol. 35, no. 5, Sept. 2020, pp. 545-51, https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/246673.