RT Journal Article SR Electronic T1 Consequences of unsafe prescribing of transdermal fentanyl JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 638 OP 639 DO 10.1503/cmaj.160291 VO 188 IS 9 A1 Scott Lucyk A1 Lewis Nelson YR 2016 UL http://www.cmaj.ca/content/188/9/638.abstract