%0 Journal Article %A Ivan L Gee %A Sean Semple %A Adrian Watson %A Andrea Crossfield %T Nearly 85% of tobacco smoke is invisible—a confirmation of previous claims %D 2013 %R 10.1136/tobaccocontrol-2012-050475 %J Tobacco Control %P 429-429 %V 22 %N 6 %U https://tobaccocontrol.bmj.com/content/tobaccocontrol/22/6/429.full.pdf