TY - JOUR T1 - Canadian Blood Services to screen for Chagas disease JF - Canadian Medical Association Journal JO - CMAJ SP - 242 LP - 242-a DO - 10.1503/cmaj.070882 VL - 177 IS - 3 AU - Pauline Comeau Y1 - 2007/07/31 UR - http://www.cmaj.ca/content/177/3/242.2.abstract ER -