TY - JOUR T1 - Query JF - Canadian Medical Association Journal JO - CMAJ SP - 1548 LP - 1548 DO - 10.1503/cmaj.061227 VL - 176 IS - 10 A2 - , Y1 - 2007/05/08 UR - http://www.cmaj.ca/content/176/10/1548.abstract ER -