Kara, I., F. Cicekci, H. Nabi Undar, F. Seven, and C. Sizer. “Can Clinical Frailty Scale Be Used Routinely in Patients Aged 50 Years and Older in Intensive Care Units?”. Annals of Medical Research, vol. 26, no. 2, May 2021, pp. 0185-9, http://www.annalsmedres.org/index.php/aomr/article/view/1378.