RT Journal Article SR Electronic T1 Antismoking drug still recommended to Canadians despite side effects and US advisory JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 381 OP 381 DO 10.1503/cmaj.090114 VO 180 IS 4 A1 Roger Collier YR 2009 UL http://www.cmaj.ca/content/180/4/381.abstract