%0 Journal Article %A J E Henningfield %A G S Zaatari %T Electronic nicotine delivery systems: emerging science foundation for policy %D 2010 %R 10.1136/tc.2009.035279 %J Tobacco Control %P 89-90 %V 19 %N 2 %U https://tobaccocontrol.bmj.com/content/tobaccocontrol/19/2/89.full.pdf