Porramatikul, M. “Reliability of the American Shoulder and Elbow Surgeons Standardized Shoulder Assessment Form (Thai Version) for the Evaluation of Shoulder Pain”. Vajira Medical Journal : Journal of Urban Medicine, vol. 56, no. 2, Jan. 2015, https://he02.tci-thaijo.org/index.php/VMED/article/view/28038.