RT Journal Article SR Electronic T1 Using frailty tools as prognostic markers in patients who are acutely ill JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E182 OP E183 DO 10.1503/cmaj.170902 VO 190 IS 7 A1 Olga Theou A1 Samuel D. Searle YR 2018 UL http://www.cmaj.ca/content/190/7/E182.abstract AB