@article{articleb95d073d,
title   = {Wheezing conditions in early childhood: prevalence and risk factors in the city of São Paulo, Brazil},
author = {Benício, Maria Helena D'Aquino and Ferreira, Marcelo Urbano and Cardoso, Maria Regina Alves and Konno, Sílvia Cristina and Monteiro, Carlos Augusto},
year = {2004},
journal   = {Bulletin of the World Health Organization}
}