Promsombut, A., S. . Danaidutsadeekul, O. Thosingha, and J. . Sirikun. “Factors Predicting Pain in Trauma Patients before Hospital Discharge”. Nursing Science Journal of Thailand, vol. 38, no. 2, July 2020, pp. 59-73, https://he02.tci-thaijo.org/index.php/ns/article/view/239891.