Risk factors for wheezing in a subtropical environment: role of respiratory viruses and allergen sensitization - Câmara, Ataíde A.; Silva, Jorgete M.; Ferriani, Virgínia Paes Leme; Tobias, Kátia R. C.; Macedo, Izolete Santos; Padovani, Márcio A.; Hársi, Charlotte Marianna; Cardoso, Maria Regina Alves; Chapman, Martin D.; Arruda, Eurico; Platts-Mills, Thomas A. E.; Arruda, Luisa Karla de Paula (Journal of Allergy and Clinical Immunology, 2004)