1. U.S. Department of Health and Human Services 2014
2. Current cigarette smoking among adults-United States, 2005-2013;Jamal;MMWR Morb. Mortal. Wkly. Rep,2014
3. Quitting smoking among adults-United States, 2001-2010;Centers for Disease Control;MMWR Morb. Mortal. Wkly. Rep,2011
4. Smoking and mortality-beyond established causes;Carter;N. Engl. J. Med,2015
5. Surveillance for selected tobacco-use behaviors-United States, 1900-1994;Giovino;CDC Surveillance Summaries/Centers for Disease Control. MMWR Morb. Mortal. Wkly. Rep,1994