“Does the Frailty Phenotype at the Age of 66 to 71 Predict Death? A 14-Year Survival Analysis of the Lc65+ Study”. Swiss Medical Weekly 151, no. 3536 (September 2, 2021): w30042. Accessed January 27, 2026. https://www.smw.ch/index.php/smw/article/view/3065.