@article{lotufo_2004,  volume={122},  ISSN={1516-3180},  url={https://doi.org/10.1590/S1516-31802004000200001},  DOI={10.1590/S1516-31802004000200001},  number={2},  journal={Sao Paulo Medical Journal},  publisher={Associação Paulista de Medicina - APM},  author={Lotufo, Paulo Andrade},  year={2004},  month={Mar},  pages={39–40} }