PT - JOURNAL ARTICLE AU - Ann Silversides TI - Ontario takes aim at painkiller abuse AID - 10.1503/cmaj.109-3032 DP - 2009 Oct 13 TA - Canadian Medical Association Journal PG - E141--E142 VI - 181 IP - 8 4099 - http://www.cmaj.ca/content/181/8/E141.short 4100 - http://www.cmaj.ca/content/181/8/E141.full SO - CMAJ2009 Oct 13; 181