Comment in

• Reply to the recent article by Boffetta et al. [28(5):913 915] on attribution of cancer to the environment.

  Prüss-Ustün A, Corvalán C. Prüss-Ustün A, et al. Carcinogenesis. 2007 Aug;28(8):1849. doi: 10.1093/carcin/bgm169. Carcinogenesis. 2007. PMID: 17704204 No abstract available.
• 'Environment' in cancer causation and etiological fraction: limitations and ambiguities.

  Mirabelli D, Merler E. Mirabelli D, et al. Carcinogenesis. 2008 May;29(5):1083. doi: 10.1093/carcin/bgm305. Epub 2008 Jan 12. Carcinogenesis. 2008. PMID: 18192691 No abstract available.
• Reply: 'environment' in cancer causation and etiological fraction: limitations and ambiguities (by Boffetta,P. et al. (2007) Carcinogenesis, 28, 913-915).

  Boffetta P, McLaughlin JK, La Vecchia C. Boffetta P, et al. Carcinogenesis. 2008 Sep;29(9):1850. doi: 10.1093/carcin/bgn005. Epub 2008 Feb 28. Carcinogenesis. 2008. PMID: 18310094 No abstract available.