TY - JOUR T1 - Query JF - Canadian Medical Association Journal JO - CMAJ SP - 120 LP - 120 DO - 10.1503/cmaj.050280 VL - 175 IS - 1 A2 - , Y1 - 2006/07/04 UR - http://www.cmaj.ca/content/175/1/120.abstract ER -