@article{lima_rabelo_salles_2004,  title={Cholesteatoma of the upper urinary tract},  volume={30},  ISSN={1677-5538},  url={https://doi.org/10.1590/S1677-55382004000600007},  DOI={10.1590/S1677-55382004000600007},  number={6},  journal={International braz j urol},  publisher={Sociedade Brasileira de Urologia},  author={Lima, Daniel X. and Rabelo, Eli A. S. and Salles, Paulo G. O.},  year={2004},  month={Nov},  pages={494–495} }