May 2010 references and further reading
Banishing secondhand smoke
The Health Consequences of Involuntary Exposure to Tobacco Smoke: A Report of the Surgeon General. Office of the Surgeon General, Department of Health and Human Services: Washington, DC, 2006.
Sleiman M, Gundel LA, Pankow JF, Jacob P, 3rd, Singer BC, Destaillats H. Formation of carcinogens indoors by surface-mediated reactions of nicotine with nitrous acid, leading to potential thirdhand smoke hazards. Proceedings of the National Academy of Sciences of the United States of America 2010; published online ahead of print.