1. Organization WWH, International Statistical Classification of Diseases and Related Health Problems, 10th revision. Geneva, 1992.
2. SEER, SEER*Stat Release 6.3.5. In, 2007.
3. ENCR, European Network of Cancer Registries. Eurocim version 4.0. European incidence database V2.2 (1999). Lyon. 2001.
4. Cancer incidence in five continents;Parkin,2002
5. Incidence trends of adult primary intracerebral tumors in four Nordic countries;Lonn;Int J Cancer,2004