1. World Health Organization, Bloomberg Philanthropies. WHO Report on the Global Tobacco Epidemic, 2017: Monitoring Tobacco Use and Prevention Policies; 2017.
2. 21st-Century Hazards of Smoking and Benefits of Cessation in the United States
3. 50-Year Trends in Smoking-Related Mortality in the United States
4. National Center for Chronic Disease Prevention and Health Promotion (US) Office on Smoking and Health. The health consequences of smoking—50 years of progress: a report of the surgeon general. Centers for Disease Control and Prevention (US); 2014. Available from: http://www.ncbi.nlm.nih.gov/books/NBK179276/. Accessed June 24, 2019.
5. Global cancer statistics 2018: GLOBOCAN estimates of incidence and mortality worldwide for 36 cancers in 185 countries