Puetpaiboon, A., S. . Chatmongkolchart, O. Akaraborworn, and Y. Apisitthiwong. “Direct Cost of Anesthesia in Traumatic Patients With Massive Bleeding: A Prospective Micro-Costing Study: Cost of Anesthesia in Trauma Patients”. PSU Medical Journal, vol. 1, no. 1, Mar. 2021, pp. 9-16, doi:10.31584/psumj.2021246254.