1. U.S. Department of Health and Human Services. The Health Consequences of Smoking—50 Years of Progress: a Report of the Surgeon General. Atlanta, GA: U.S. Department of Health and Human Services, Centers for Disease Control and Prevention, National Center for Chronic Disease Prevention and Health Promotion, Office on Smoking and Health, 2014.
2. Tobacco product use among adults—United States, 2012–2013;Agaku;MMWR Morb Mortal Wkly Rep,2014
3. Use of conventional and novel smokeless tobacco products among US adolescents;Agaku;Pediatrics,2013
4. Awareness and ever-use of electronic cigarettes among U.S. adults, 2010–2011;King;Nicotine Tob Res,2013
5. Federal Trade Commission. Federal Trade Commission Cigarette Report for 2011. 2013. http://www.ftc.gov/sites/default/files/documents/reports/federal-trade-commission-cigarette-report-2011/130521cigarettereport.pdf (accessed 21 Nov 2013).