Using PICO Methodology to Answer Questions About Smoking in COPD Patients

1. Jiménez Ruiz, C.A.
2. Buljubasich, D.
3. Riesco Miranda, J.A.
4. Acuña Izcaray, A.
5. de Granda Orive, J.I.
6. Chatkin, J.M.
7. Zabert, G.
8. Guerreros Benavides, A.
9. Paez Espinel, N.
10. Noé, V.
11. Sánchez-Angarita, E.
12. Núñez-Sánchez, I.
13. Sansores, R.H.
14. Casas, A.
15. Palomar Lever, A.
16. Alfageme Michavila, I.