1. Cancer incidence, mortality and prevalence in the European Union;Ferlay,1999
2. Ferlay J, Bray F, Pisani P, Parkin DM. Cancer incidence, mortality and prevalence worldwide, version 1.0. Lyon: IARC Press, IARC Cancer Base No. 5; 2001.
3. Cancer survival trends in England and Wales 1971–1995: deprivation and NHS region;Coleman,1999
4. Upper gastrointestinal tract cancers: oesophagus, stomach, liver, gallbladder and biliary ducts, pancreas;Ferretti;Epidemiol Prev,2004
5. Gastric cancer epidemiology and risk factors;Kelley;J Clin Epidemiol,2003