RT Journal Article SR Electronic T1 Pfizer advertises smoking cessation drug despite health warnings JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E127 OP E128 DO 10.1503/cmaj.109-4087 VO 184 IS 2 A1 Laura Eggertson YR 2012 UL http://www.cmaj.ca/content/184/2/E127.abstract