Antimicrobial susceptibility of gram-negative organisms from intra abdominal infections and evolution of isolates with extended spectrum β-lactamases in the smart study in spain (2002-2010)

1. Cantón, R.
2. Loza, E.
3. Aznar, J.
4. Calvo, J.
5. Cercenado, E.
6. Cisterna, R.
7. Romo, F.G.
8. Hontangas, J.L.L.
9. Calvo, C.R.
10. Barrenechea, A.I.S.
11. Tubau, F.
12. Weber, I.
13. Yuste, P.
14. Cavanillas, R.