TY - JOUR T1 - Vetting journal advertisements JF - Canadian Medical Association Journal JO - CMAJ SP - 931 LP - 931 DO - 10.1503/cmaj.1080097 VL - 179 IS - 9 AU - Yoni Freedhoff MD Y1 - 2008/10/21 UR - http://www.cmaj.ca/content/179/9/931.1.abstract ER -