Comparison of diagnostic methods for Helicobacter pylori infection in patients with upper gastrointestinal bleeding

1. Griñó, P.
2. Pascual, S.
3. Such, J.
4. Casellas, J.A.
5. Niveiro, M.
6. Andreu, M.
7. Sáez, J.
8. Griñó, E.
9. Palazón, J.M.
10. Carnicer, F.
11. Pérez-Mateo, M.