RT Journal Article SR Electronic T1 The federal government’s senseless policy change on tobacco warning labels JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1939 OP 1939 DO 10.1503/cmaj.101583 VO 182 IS 18 A1 Stanbrook, Matthew B. A1 Hébert, Paul C. YR 2010 UL http://www.cmaj.ca/content/182/18/1939.abstract