TY - JOUR T1 - Briefly JF - Canadian Medical Association Journal JO - CMAJ SP - E259 LP - E260 DO - 10.1503/cmaj.109-3083 VL - 181 IS - 11 AU - Roger Collier AU - Wayne Kondro Y1 - 2009/11/24 UR - http://www.cmaj.ca/content/181/11/E259.abstract ER -