RT Journal Article SR Electronic T1 The 2017 Canadian opioid guideline: already time for an overhaul JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E300 OP E300 DO 10.1503/cmaj.68662 VO 190 IS 10 A1 Meldon Kahan A1 Ruth Dubin A1 Hance Clarke YR 2018 UL http://www.cmaj.ca/content/190/10/E300.abstract AB