Williamson T, Aponte-Hao S, Mele B, Cord Lethebe B, Leduc C, Thandi M, et al. Developing and validating a primary care EMR-based frailty definition using machine learning. IJPDS [Internet]. 2020 Sept. 1 [cited 2026 Oct. 24];5(1). Available from: https://ijpds.org/index.php/ijpds/article/view/1344