TY - JOUR T1 - Query JF - Canadian Medical Association Journal JO - CMAJ SP - 560 LP - 560 DO - 10.1503/cmaj.050301 VL - 173 IS - 5 A2 - , Y1 - 2005/08/30 UR - http://www.cmaj.ca/content/173/5/560.abstract ER -