TY - JOUR T1 - Briefly JF - Canadian Medical Association Journal JO - CMAJ SP - E389 LP - E390 DO - 10.1503/cmaj.109-3847 VL - 183 IS - 7 A2 - , Y1 - 2011/04/19 UR - http://www.cmaj.ca/content/183/7/E389.abstract ER -