วงศ์วรพิทักษ์ ช. (2016) “1-Year Mortality in Aged Hip Fracture Patients after Conservative Treatment”, Region 11 Medical Journal, 30(4), pp. 345–355. available at: https://he02.tci-thaijo.org/index.php/Reg11MedJ/article/view/179958 (accessed: 20 September 2026).