@article{2012,  volume={15},  ISSN={1415-790X},  url={https://doi.org/10.1590/S1415-790X2012000400021},  DOI={10.1590/S1415-790X2012000400021},  number={4},  journal={Revista Brasileira de Epidemiologia},  publisher={Associação Brasileira de Saúde Coletiva},  year={2012},  month={Dec},  pages={908–909} }