1. Michaels D. Doubt is their product. 1st ed. New York: Oxford University Press; 2008. p. 3-11.
2. Brandt AM. The cigarette century: the rise, fall, and deadly persistence of the product that defined America. 1st ed. New York: Basic Books; 2007. p. 105, 449-92.
3. Oreskes N, Conway E. Merchants of doubt: how a handful of scientists obscured the truth on issues from tobacco smoke to global warming. 1st ed. New York: Bloomsbury Press; 2010. p. 10-35, 136-68.
4. Tobacco Smoking and Longevity
5. George Seldes on Tobacco: Fifty Years Ahead of His Time More than 50 articles from Seldes's newsletter In fact (1940-1950) [cited 2012 Dec 20]. Available from: http://www.brasscheck.com/seldes/tobac.html.