PT - JOURNAL ARTICLE AU - Yoni Freedhoff MD TI - Vetting journal advertisements AID - 10.1503/cmaj.1080097 DP - 2008 Oct 21 TA - Canadian Medical Association Journal PG - 931--931 VI - 179 IP - 9 4099 - http://www.cmaj.ca/content/179/9/931.1.short 4100 - http://www.cmaj.ca/content/179/9/931.1.full SO - CMAJ2008 Oct 21; 179