%0 Journal Article %T Smokeless Tobacco and Dual Use among Firefighters in the Central United States %A Nattinee Jitnarin %A Christopher K. Haddock %A Walker S. C. Poston %A Sara Jahnke %J Journal of Environmental and Public Health %D 2013 %I Hindawi Publishing Corporation %R 10.1155/2013/675426 %U http://dx.doi.org/10.1155/2013/675426