@article{pearle_2004,  title={Stone disease},  volume={30},  ISSN={1677-5538},  url={https://doi.org/10.1590/S1677-55382004000600013},  DOI={10.1590/S1677-55382004000600013},  number={6},  journal={International braz j urol},  publisher={Sociedade Brasileira de Urologia},  author={Pearle, Margaret S.},  year={2004},  month={Nov},  pages={515–517} }