1. ENCR (European Network of Cancer Registries). Eurocim version 4.0. European incidence database V2.2 (1999). Lyon: ENCR; 2001.
2. Parkin DM, Whelan SL, Ferlay J, Teppo L, Thomas DB. Cancer incidence in five continents, vol. VIII. IARC Scient. Publ. No. 155. Lyon: International Agency for Research on Cancer; 2002.
3. Survival of cancer patients in Europe: the EUROCARE-3 study;Berrino;Ann Oncol,2003
4. ITAPREVAL Working Group: cancer prevalence in Italian cancer registry areas: the ITAPREVAL study;Micheli;Tumori,1999
5. Circumcision and the risk of cancer of the penis. A life-table analysis;Kochen;Am J Dis Child,1980