1. 1. ALA. Smoking and African American Fact Sheet, June 2006. Available at: http://www.lungwsa.org/site/pp.asp?c=dvLUK9OoE&b=35988 (accessed 17 July 2007).
2. Mortality from smoking worldwide;Peto;Br Med Bull,1996
3. Annual smoking-attributable mortality, years of potential life lost and economic costs-United States, 1995-1999;Centers for Disease Control and Prevention.;MMWR,2002