1. World Health Organization. WHO methods and data sources for global causes of death 2000–2012. Global Health Estimates Technical Paper WHO/HIS/HSI/GHE/2014.7. 2014. Available: http://www.who.int/entity/healthinfo/global_burden_disease/GlobalCOD_method_2000_2012.pdf.
2. World Health Organization. Burden of disease from the joint effects of Household and Ambient Air Pollution for 2012. WHO Technical Report. 2012. Available: http://www.who.int/phe/health_topics/outdoorair/databases/AP_jointeffect_BoD_results_March2014.pdf.
3. O’Keefe B. Recent Trends in Air Quality Standards in Europe and Asia: What’s next? HEI Annual Conference 2012. 2013. Available: http://www.healtheffects.org/Slides/AnnConf2013/OKeefe-Sun.pdf.
4. Rapid health transition in China, 1990–2010: findings from the Global Burden of Disease Study 2010;G Yang;Lancet,2013
5. An association between air pollution and mortality in six U.S. cities;DW Dockery;N Engl J Med,1993