%0 Journal Article %A D J Hendrick %T Smoking, cadmium, and emphysema %D 2004 %R 10.1136/thx.2003.018432 %J Thorax %P 184-185 %V 59 %N 3 %U https://thorax.bmj.com/content/thoraxjnl/59/3/184.full.pdf