1. World Health Organization classification of tumors. Pathology and genetics of tumors of the digestive system;Hamilton,2000
2. Cytokeratins as markers of differentiation in the diagnosis of epithelial tumors;Moll;Subcell Biochem,1998
3. Differential diagnosis of gastrointestinal carcinomas by using monoclonal antibodies specific for individual keratin polypeptides;Osborn;Lab Invest,1986
4. Intermediate filaments as differentiation markers of normal pancreas and pancreas cancer;Schussler;Am J Pathol,1992
5. Tumors of the pancreas;Solcia,1997