RT Journal Article SR Electronic T1 Briefly JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 523 OP 523-a DO 10.1503/cmaj.081205 VO 179 IS 6 A1 Wayne Kondro A1 Roger Collier YR 2008 UL http://www.cmaj.ca/content/179/6/523.2.abstract