@article{carvalho_2018,  title={Urinary pH in calcium oxalate stone formers: does it matter?},  volume={40},  ISSN={0101-2800},  url={https://doi.org/10.1590/1678-4685-JBN-2018-00010002},  DOI={10.1590/1678-4685-JBN-2018-00010002},  number={1},  journal={Brazilian Journal of Nephrology},  publisher={Sociedade Brasileira de Nefrologia},  author={Carvalho, Mauricio},  year={2018},  month={Jan},  pages={6–7} }