- Changes in smoking prevalence among U.S. adults by state and region: Estimates from the Tobacco Use Supplement to the Current Population Survey, 1992-2007. Jemal, A., Thun, M., Yu, X.Q., Hartman, A.M., Cokkinides, V., Center, M.M., Ross, H., Ward, E.M. BMC. Public. Health (2011)









