@article{freitas_garcia_freitas filho_1999,  title={Transitional cell carcinoma of the ureter and struvite calculi},  volume={117},  ISSN={1516-3180},  url={https://doi.org/10.1590/S1516-31801999000300007},  DOI={10.1590/S1516-31801999000300007},  number={3},  journal={Sao Paulo Medical Journal},  publisher={Associação Paulista de Medicina - APM},  author={Freitas, Danielo Garcia de and Garcia, Adriano Scaff and Freitas Filho, Osvaldo de},  year={1999},  month={May},  pages={129–131} }