Bacterial infection in exacerbated COPD with changes in sputum characteristics

1. Monsó, E.
2. Garcia-Aymerich, J.
3. Soler, N.
4. Farrero, E.
5. Felez, M.A.
6. Antó, J.M.
7. Torres, A.
8. Alonso, J.
9. Barreiro, E.
10. Bonet, G.
11. Escarrabill, J.
12. Izquierdo, J.
13. Marrades, R.
14. Morera, J.
15. Redondo, M.J.
16. Sunyer, J.