Predictive factors of the mortality of digestive hemorrhage caused by esophageal varices in elderly patients

1. Piqueras, B.
2. Bañares, R.
3. Rincón, D.
4. Matilla, A.
5. Casado, M.
6. Salcedo, M.
7. Alonso, S.
8. Vaquero, J.