1. Endocrine pancreatic tumors;Larsson;HumPatho1,1978
2. Amyloid polypeptide hormone producing tumors;Westermark;Lab Invest,1977
3. Morphologic patterns and diagnostic criteria of VIP producing endocrine tumors;Capella;Cancer,1983
4. Gastrointestinal neuroendocrine tumors;Delcore;J Am College Surg,1994
5. VIPoma syndrome;Krejs;Am J Med,1987