TY - JOUR T1 - Ads pressure Ontario to butt out in retail locations JF - Canadian Medical Association Journal JO - CMAJ SP - 1544 LP - 1544 DO - 10.1503/cmaj.050546 VL - 172 IS - 12 AU - Christine Chénè Y1 - 2005/06/07 UR - http://www.cmaj.ca/content/172/12/1544.1.abstract ER -