RT Journal Article SR Electronic T1 Revisiting medication use in a frail 93-year-old man experiencing possible adverse effects JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 445 OP 449 DO 10.1503/cmaj.130523 VO 186 IS 6 A1 Farrell, Barbara A1 Monahan, Anne A1 Thompson, Wade YR 2014 UL http://www.cmaj.ca/content/186/6/445.abstract