1. Office of the Surgeon General, US Public Health Service. The Health Consequences of Smoking—50 Years of Progress: A Report of the Surgeon General . Atlanta, GA: Office on Smoking and Health, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention; 2014.
2. Current cigarette smoking among adults—United States, 2005–2013;Jamal;MMWR,2014
3. Electronic nicotine delivery systems: adult use and awareness of the ‘e-cigarette’ in the USA
4. Boonn A . The Rise of Cigars and Cigar-Smoking Harms . Washington, DC: Campaign for Tobacco-Free Kids; 2015:1–4.
5. Prevalence of and Associations with Waterpipe Tobacco Smoking among U.S. University Students