TY - JOUR T1 - Query JF - Canadian Medical Association Journal JO - CMAJ SP - 1192 LP - 1192 DO - 10.1503/cmaj.1031971 VL - 170 IS - 7 A2 - , Y1 - 2004/03/30 UR - http://www.cmaj.ca/content/170/7/1192.abstract N2 - ER -