@article{arruda_1949,  volume={7},  ISSN={0004-282X},  url={https://doi.org/10.1590/S0004-282X1949000100016},  DOI={10.1590/S0004-282X1949000100016},  number={1},  journal={Arquivos de Neuro-Psiquiatria},  publisher={Academia Brasileira de Neurologia - ABNEURO},  author={Arruda, Joy},  year={1949},  month={Jan},  pages={82–83} }