Ryden, Patcharin, and Monrudee Maungrung. “In-Hospital, Thirty-Day, One-Year Mortality and Risk Factors of Mortality in the Elderly After Hip Fracture Surgery”. Srinagarind Medical Journal 36, no. 6 (December 29, 2021): 744–754. Accessed March 28, 2024. https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/253396.