RT Journal Article SR Electronic T1 Debunking the taxation–contraband tobacco myth JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 401 OP 402 DO 10.1503/cmaj.150492 VO 188 IS 6 A1 Robert Schwartz A1 Bo Zhang YR 2016 UL http://www.cmaj.ca/content/188/6/401.abstract AB