RT Journal Article SR Electronic T1 Doctors need education on prescribing opioids JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1003 OP 1003 DO 10.1503/cmaj.109-5322 VO 188 IS 14 A1 Steve Mertl YR 2016 UL http://www.cmaj.ca/content/188/14/1003.abstract AB