1. Benowitz NL, Henningfield JE. Establishing a nicotine threshold for addiction. The implications for tobacco regulation. N Engl J Med. 1994;331(2):123–5.
2. United States. Congress. House. Committee on Energy and Commerce. Subcommittee on Health. The Family Smoking Prevention and Tobacco Control Act: hearing before the Subcommittee on Health of the Committee on Energy and Commerce, House of Representatives, One Hundred Tenth Congress, first session, on H.R. 1108, October 3, 2007. Washington, DC: US GPO: For sale by the Supt. of Docs., US GPO; 2008.
3. US 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. The Health Consequences of Smoking—50 Years of Progress. A Report of the Surgeon General. Atlanta: US Department of Health and Human Services; 2014.
https://www.surgeongeneral.gov/library/reports/50-years-of-progress/full-report.pdf
. Accessed 1 Dec 2016.
4. Institute of Medicine (IOM). Ending the tobacco problem: a blueprint for the nation. Washington, DC: The National Academies Press; 2007.
5. Centers for Disease Control and Prevention, National Center for Chronic Disease Prevention and Health Promotion, Office on Smoking and Health. Publications and Reports of the Surgeon General. In: How Tobacco Smoke Causes Disease: The Biology and Behavioral Basis for Smoking-Attributable Disease: A Report of the Surgeon General. Atlanta: Centers for Disease Control and Prevention (US); 2010.