00468nas a2200169   4500000000100000008004100001100001200042700001300054700001300067700001900080700001100099700001500110245013600125250002000261300001000281490000700291       2014                            d1 aLear S.1 aCorsi D.1 aBoyle M.1 aSubramanian S.1 aTeo K.1 aChow Clara00aTrends in smoking in Canada from 1950 to 2011: progression of the tobacco epidemic according to socioeconomic status and geography.  a25 October 2013  a45-570 v25