@article{pereira_carswell_hughes_1990,  title={Assessment and prediction of asthma and its severity in the pediatric community},  volume={24},  ISSN={0034-8910},  url={https://doi.org/10.1590/S0034-89101990000600001},  DOI={10.1590/S0034-89101990000600001},  number={6},  journal={Revista de Saúde Pública},  publisher={Faculdade de Saúde Pública da Universidade de São Paulo},  author={Pereira, Julio Cesar R. and Carswell, Fleming and Hughes, Anthony O.},  year={1990},  month={Dec},  pages={437–444} }