%0 Journal Article %A David J. Woods %A Mark D. Caswell %T Varenicline: quantifying the risk %D 2011 %R 10.1503/cmaj.111-2064 %J Canadian Medical Association Journal %P 1404-1404 %V 183 %N 12 %U https://www.cmaj.ca/content/cmaj/183/12/1404.3.full.pdf