@article{sampaio_2004,  title={Investigative urology},  volume={30},  ISSN={1677-5538},  url={https://doi.org/10.1590/S1677-55382004000400019},  DOI={10.1590/S1677-55382004000400019},  number={4},  journal={International braz j urol},  publisher={Sociedade Brasileira de Urologia},  author={Sampaio, Francisco J.B.},  year={2004},  month={Jul},  pages={349–351} }