@article{ribeiro_drummond_volpini_andrade_passos_1999,  title={
       },  volume={32},  ISSN={0100-879X},  url={https://doi.org/10.1590/S0100-879X1999000300008},  DOI={10.1590/S0100-879X1999000300008},  number={3},  journal={Brazilian Journal of Medical and Biological Research},  publisher={Associação Brasileira de Divulgação Científica},  author={Ribeiro, A.L.P. and Drummond, J.B. and Volpini, A.C. and Andrade, A.C. and Passos, V.M.A.},  year={1999},  month={Mar},  pages={297–301} }