@article{olsen_ribeiro_yasui_santos_2015,  title={Hearing loss assessment in primary and secondary acquired cholesteatoma<b><sup>,</sup></b>},  volume={81},  ISSN={1808-8694},  url={https://doi.org/10.1016/j.bjorl.2014.11.009},  DOI={10.1016/j.bjorl.2014.11.009},  number={6},  journal={Brazilian Journal of Otorhinolaryngology},  publisher={Associação Brasileira de Otorrinolaringologia e Cirurgia Cérvico-Facial.},  author={Olsen, Julia Maria and Ribeiro, Fernando de Andrade Quintanilha and Yasui, Mariana Mieko Mendes and Santos, Ivan Taylor Ribeiro dos},  year={2015},  month={Nov},  pages={653–657} }