Validation of the Spanish version of the asthma control test (ACT)

1. Vega, J.M.
2. Badia, X.
3. Badiola, C.
4. López-Viña, A.
5. Olaguíbel, J.M.
6. Picado, C.
7. Sastre, J.
8. Dal-Ré, R.