@article{arruda_1991,  title={
       },  volume={49},  ISSN={0004-282X},  url={https://doi.org/10.1590/S0004-282X1991000100009},  DOI={10.1590/S0004-282X1991000100009},  number={1},  journal={Arquivos de Neuro-Psiquiatria},  publisher={Academia Brasileira de Neurologia - ABNEURO},  author={Arruda, Walter Oleschko},  year={1991},  month={Mar},  pages={57–65} }