Community-acquired pneumonia in chronic obstructive pulmonary disease. A spanish multicenter study

1. Torres, A.
2. Dorca, J.
3. Zalacain, R.
4. Bello, S.
5. El-Ebiary, M.
6. Molinos, L.
7. Arevalo, M.
8. Blanquer, J.
9. Celis, R.
10. Iriberri, M.
11. Prats, E.
12. Fernandez, R.
13. Irigaray, R.
14. Serra, J.