RT Journal Article SR Electronic T1 Medication errors: the human factor JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 63 OP 64 DO 10.1503/cmaj.071658 VO 178 IS 1 A1 Edward Etchells, MD MSc A1 David Juurlink, MD PhD A1 Wendy Levinson MD YR 2008 UL http://www.cmaj.ca/content/178/1/63.abstract