Jürgens, V., S. Ess, H. Phuleria, M. Früh, M. Schwenkglenks, H. Frick, T. Cerny, and P. Vounatsou. “Tobacco-Related Cancer Mortality: Projections for Different Geographical Regions in Switzerland”. Swiss Medical Weekly, vol. 143, no. 2324, June 2013, p. w13771, doi:10.4414/smw.2013.13771.