Risk Factors for persistent wheezing in young children in a subtropical environment - Arruda, Luísa Karla de Paula; Silva, Jorgete M.; Camara, Ataíde A.; Cardoso, Maria Regina Alves; Arruda, Eurico; Chapman, Martin D.; Platts-Mills, Thomas A. E.; Ferriani, Virgínia Paes Leme (Symposium of the Collegium Internationale Allergologicum, 2004)