@article{caumo_geyer_teixeira_barreto_2017,  title={Hearing thresholds at high frequency in patients with cystic fibrosis: a systematic review☆},  volume={83},  ISSN={1808-8694},  url={https://doi.org/10.1016/j.bjorl.2016.10.006},  DOI={10.1016/j.bjorl.2016.10.006},  number={4},  journal={Brazilian Journal of Otorhinolaryngology},  publisher={Associação Brasileira de Otorrinolaringologia e Cirurgia Cérvico-Facial.},  author={Caumo, Debora T.M. and Geyer, Lúcia B. and Teixeira, Adriane R. and Barreto, Sérgio S.M.},  year={2017},  month={Jul},  pages={464–474} }