The international study of wheezing in infants: Questionnaire validation

1. Mallol, J.
2. García-Marcos, L.
3. Aguirre, V.
4. Martinez-Torres, A.
5. Perez-Fernández, V.
6. Gallardo, A.
7. Calvo, M.
8. Rosario Filho, N.
9. Rocha, W.
10. Fischer, G.
11. Baeza-Bacab, M.
12. Chiarella, P.
13. Pinto, R.
14. Barria, C.