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: 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. Centers for Disease Control and Prevention (CDC). Fact sheet: Current cigarette smoking among adults in the United States.
https://www.cdc.gov/tobacco/data_statistics/fact_sheets/adult_data/cig_smoking/index.htm
. Updated 2016. Accessed 09/04, 2017.
3. Parsons A, Daley A, Begh R, Aveyard P. Influence of smoking cessation after diagnosis of early stage lung cancer on prognosis: systematic review of observational studies with meta-analysis. BMJ. 2010;340:b5569.
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2809841/
.
https://doi.org/10.1136/bmj.b5569
.
4. Adhikari B, Kahende J, Malarcher A, Pechacek T, Tong V. Smoking-attributable mortality, years of potential life lost, and productivity losses—United States, 2000-2004. MMWR Morb Mortal Wkly Rep. 2008;57(45):1226–8
http://www.proxy.its.virginia.edu/login?url=http://search.ebscohost.com/login.aspx?direct=true&db=cin20&AN=105715504&site=ehost-live&scope=site
.
5. NCI dictionary of cancer terms.
https://www.cancer.gov/publications/dictionaries/cancer-terms?cdrid=450125
. Accessed 14 Aug 2017.