1. WHO: Global health risks. Mortality and burden of disease attributable to selected major risks. 2009, World Health Organization
2. Robert Koch Institute: Krebs in Deutschland 2002/2006 Häufigkeiten und Trends [Cancer in Germany 2002/2006 frequency and trends]. 2010, Berlin: Robert Koch-Institut, Gesellschaft der epidemiologischen Krebsregister in Deutschland e.V
3. Gordis L: Epidemiologie [Epidemiology]. 2001, Marburg: Kilian
4. Gray L, Leyland AH: Is the "Glasgow effect" of cigarette smoking explained by socio-economic status?: a multilevel analysis. BMC Public Health. 2009, 9: 245-10.1186/1471-2458-9-245.
5. American Cancer Society, World Health Organization, International Union Against Cancer: Tobacco control country profiles. Atlanta. 2003