TY - JOUR T1 - Revalidation of Canadian physicians JF - Canadian Medical Association Journal JO - CMAJ SP - 540 LP - 541 DO - 10.1503/cmaj.1080131 VL - 180 IS - 5 AU - Wendy Levinson Y1 - 2009/03/03 UR - http://www.cmaj.ca/content/180/5/540.2.abstract ER -