TY - JOUR T1 - Briefly JF - Canadian Medical Association Journal JO - CMAJ SP - E39 LP - E42 DO - 10.1503/cmaj.109-4372 VL - 185 IS - 1 A2 - , Y1 - 2013/01/08 UR - http://www.cmaj.ca/content/185/1/E39.abstract ER -