Nganlasom, Jitpattra, Poatdanai Wattanasarn, Kullanan Rittitham, and Piyarat Boonphila. 2026. “Validation and Reliability of the Clinical Frailty Scale for Predicting Postoperative Outcomes in Hip Fracture Surgery at Sakon Nakhon Hospital: A Prospective Validation Study”. Medical Journal of Sakon Nakhon Hospital 29 (2). Sakon Nakhon, Thailand:122-38. https://he05.tci-thaijo.org/index.php/JSakonNakHosp/article/view/8005.