RT Journal Article SR Electronic T1 Canadian Adverse Events Study JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 833 OP 833 DO 10.1503/cmaj.1040857 VO 171 IS 8 A1 Croskerry, Pat A1 Campbell, Sam YR 2004 UL http://www.cmaj.ca/content/171/8/833.1.abstract