1. International Agency for Research on Cancer (IARC), Tobacco Smoking, IARC Monographs on the Evaluation of the Carcinogenic Risk of Chemicals to Humans, vol. 38, WHO, Lyon, 1986.
2. Environmental Tobacco Smoke: Measuring Exposures and Assessing Health Effects;National Research Council,1986
3. US Environmental Protection Agency, Respiratory Health Effects of Passive Smoking: Lung Cancer and Other Disorders, The Report of the US Environmental Protection Agency, NIH Publication No. 93-3605, 1993.
4. International Agency for Research on Cancer (IARC) Tobacco Smoke and Involuntary Smoking, IARC Monographs on the Evaluation of the Carcinogenic Risk of Chemicals to Humans, vol. 83, WHO, Lyon, 2002.
5. Genotoxicity of environmental tobacco smoke: a review