Prognostic factors and long-term outcome of pancreatic neuroendocrine neoplasms: Ki-67 index shows a greater impact on survival than disease stage. the large experience of the spanish national tumor registry (RGETNE)

1. Martin-Perez, E.
2. Capdevila, J.
3. Castellano, D.
4. Jimenez-Fonseca, P.
5. Salazar, R.
6. Beguiristain-Gomez, A.
7. Alonso-Orduña, V.
8. Martinez Del Prado, P.
9. Villabona-Artero, C.
10. Diaz-Perez, J.A.
11. Monleon, A.
12. Marazuela, M.
13. Pachon, V.
14. Sastre-Valera, J.
15. Sevilla, I.
16. Castaño, A.
17. Garcia-Carbonero, R.