Correlation between disease severity factors and EQ-5D utilities in chronic obstructive pulmonary disease

1. Esquinas, C.
2. Ramon, M.A.
3. Nuñez, A.
4. Molina, J.
5. Quintano, J.A.
6. Roman-Rodríguez, M.
7. Naberan, K.
8. Llor, C.
9. Roncero, C.
10. Miravitlles, M.
11. Barrecheguren, M.