RT Journal Article SR Electronic T1 Measuring frailty in geriatric patients JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 352 OP 353 DO 10.1503/cmaj.1050199 VO 174 IS 3 A1 Doug Duke YR 2006 UL http://www.cmaj.ca/content/174/3/352.4.abstract