@article{sigaud_castanheira_costa_2016,  title={Association between secondhand smoking in the home and respiratory morbidity in preschool children},  volume={50},  ISSN={0080-6234},  url={https://doi.org/10.1590/S0080-623420160000500004},  DOI={10.1590/S0080-623420160000500004},  number={4},  journal={Revista da Escola de Enfermagem da USP},  publisher={Universidade de São Paulo, Escola de Enfermagem},  author={Sigaud, Cecília Helena de Siqueira and Castanheira, Ana Barbara de Couto and Costa, Priscila},  year={2016},  month={Jul},  pages={0562–0568} }