Asthma prevalence and risk factors in school children: The RESPIR longitudinal study Julia Alfonso; Santiago Pérez; Ricardo Bou; Ana Amat; Irene Ruiz; Amparo Mora; Silvia Escolano; Laura Chofre;

Risk factors for asthma in schoolchildren in Southern Brazil Arnaldo Carlos Porto Neto; Dirceu Solé; Vânia Hirakata; Luiza Salvador Schmid; Caroline Klock; Sérgio Saldanha Menna Barreto;

Prevalence of asthma, allergic rhinitis and pollinosis in a city of Brazil: A monitoring study T.B. Oliveira; A.L.K. Persigo; C.C. Ferrazza; E.N.N. Ferreira; A.B.G. Veiga;