Epidemiology of asthma exacerbations and their relation with environmental factors in the Basque Country

1. Altzibar, J.M.
2. Tamayo-Uria, I.
3. De Castro, V.
4. Aginagalde, X.
5. Albizu, M.V.
6. Lertxundi, A.
7. Benito, J.
8. Busca, P.
9. Antepara, I.
10. Landa, J.
11. Mokoroa, O.
12. Dorronsoro, M.