K. . Choovongkomol, MD, S. . Lewsirirat, MD, and U. . Piyapromdee, MD, “Mortality and Prognosis Factors of Elderly Patients with Pertrochanteric Fracture: Re-evaluationin Maharat Nakhon Ratchasima Hospital”, JseaOrtho, vol. 39, no. 3-4, pp. 3–9, Mar. 2022.