@article{teixeira_zappelini_alves_costa_2011,  title={Peak nasal inspiratory flow evaluation as an objective method of measuring nasal airflow},  volume={77},  ISSN={1808-8694},  url={https://doi.org/10.1590/S1808-86942011000400011},  DOI={10.1590/S1808-86942011000400011},  number={4},  journal={Brazilian Journal of Otorhinolaryngology},  publisher={Associação Brasileira de Otorrinolaringologia e Cirurgia Cérvico-Facial.},  author={Teixeira, Rodrigo Ubiratan Franco and Zappelini, Carlos Eduardo Monteiro and Alves, Fábio Silva and Costa, Everardo Andrade da},  year={2011},  month={Jul},  pages={473–480} }