RT Journal Article SR Electronic T1 Briefly JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E243 OP E244 DO 10.1503/cmaj.109-3189 VO 182 IS 5 A1 Hinds, Brittany A1 Collier, Roger A1 Kondro, Wayne YR 2010 UL http://www.cmaj.ca/content/182/5/E243.abstract