1. US Department of Health and Human Services. The health consequences of involuntary exposure to tobacco smoke: a report of the surgeon general. Atlanta, GA: U.S. Department of health and human services, centers for disease control and prevention. Coordinating center for health promotion, national center for chronic disease prevention and health promotion, office on smoking and health, 2006:1988–2002.
2. Pickett MS, Schober SE, Brody DJ, Curtin LR, Giovino GA. Smoke-free laws and secondhand smoke exposure in US non-smoking adults, 1999–2002. Tob Control. 2006; 15(4): 302–307.
3. Centers for Disease Control and Prevention (CDC). Reduced Secondhand Smoke Exposure After Implementation of a Comprehensive Statewide Smoking Ban --- New York, June 26, 2003--June 30, 2004. MMWR Morb Mortal Wkly Rep. 2007;56(28):705–708.
4. Centers for Disease Control and Prevention (CDC). State Smoke-Free Laws for Worksites, Restaurants, and Bars --- United States, 2000--2010. MMWR Morb Mortal Wkly Rep. 2011;60(15):472–475.
5. US Department of Health and Human Services. The health consequences of smoking—50 years of progress: a report of the surgeon general. Atlanta, GA: 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. 2014. http://ash.org/wp-content/uploads/2014/01/full-report.pdf .