TY - JOUR T1 - Query JF - Canadian Medical Association Journal JO - CMAJ SP - 1672 LP - 1672 DO - 10.1503/cmaj.061254 VL - 176 IS - 11 A2 - , Y1 - 2007/05/22 UR - http://www.cmaj.ca/content/176/11/1672.abstract ER -