Kanjanasingh, N., P. Kanjanasingh, and P. Sritangos. “The study of the correlation between the waiting day before surgery and the walking ability with a 4-leg-walker in bipolar hemiarthroplasty elderly patients”. Journal of Medicine and Health Sciences, vol. 32, no. 3, Dec. 2025, pp. 72-86, https://he01.tci-thaijo.org/index.php/jmhs/article/view/279732.