P. Yaowares, P. . Chayaput, S. Peamsin, and K. . Mittanonsakul, “Influential Factors of Severity of Injury, Comorbidity, Number of Surgery and Number of Complication on Hospital Length of Stay in Patients Sustaining Traumatic Injury”, ์Nurs Sci J Thail, vol. 38, no. 4, pp. 91–103, Nov. 2020.