1. 1. Centers for Disease Control and Prevention (2013) Trends in Current Cigarette Smoking Among High School Students and Adults, United States, 1965-2011 .
2. 2. Centers for Disease Control and Prevention (2014) Current Cigarette Smoking Among Adults-United States, 2005-2013. Morbidity and Mortality Weekly Report 63: 1108-1112 .
3. Worldwide burden of disease from exposure to second-hand smoke: a retrospective analysis of data from 192 countries;Oberg;Lancet,2011
4. 4. Office on Smoking and Health (US) (2006) The Health Consequences of Involuntary Exposure to Tobacco Smoke: A Report of the Surgeon General, Atlanta (GA): Centers for Disease Control and Prevention (US) .
5. 5. Breysse PN, Diette GB, Matsui EC, Butz AM, Hansel NN, et al. (2010) Indoor air pollution and asthma in children. Proc Am Thorac Soc 7: 102-106 .