%0 Journal Article %A G F Cope %A N Battersby %T Smoking verification and the risk of myocardial infarction %D 2004 %R 10.1136/jech.58.2.156 %J Journal of Epidemiology and Community Health %P 156-156 %V 58 %N 2 %U https://jech.bmj.com/content/jech/58/2/156.full.pdf