1. World Health Organization., WHO report on the global tobacco epidemic, 2011: warning about the dangers of tobacco. (World Health Organization, Geneva, 2011).
2. IARC Working Group on the Evaluation of Carcinogenic Risks to Humans : Tobacco Smoke and Involuntary Smoking and International Agency for Research on Cancer., Tobacco smoke and involuntary smoking. (International Agency for Research on Cancer, Lyon, 2004).
3. An overview of the effects of tobacco ingredients on smoke chemistry and toxicity
4. World Health Organization., WHO Report on the Global Tobacco Epidemic, 2009 : implementing smoke-free environments. (World Health Organization, Geneva, 2009).
5. E-Cigarettes