@article{2012,  volume={67},  ISSN={1807-5932},  url={https://doi.org/10.6061/clinics/2012(02)21},  DOI={10.6061/clinics/2012(02)21},  number={2},  journal={Clinics},  publisher={Faculdade de Medicina / USP},  year={2012},  pages={01–01} }