@article{arruda_coelho neto_1998,  title={Primary lateral sclerosis: a case report with SPECT study},  volume={56},  ISSN={0004-282X},  url={https://doi.org/10.1590/S0004-282X1998000300018},  DOI={10.1590/S0004-282X1998000300018},  number={3A},  journal={Arquivos de Neuro-Psiquiatria},  publisher={Academia Brasileira de Neurologia - ABNEURO},  author={ARRUDA, WALTER OLESCHKO and COELHO NETO, MAURÍCIO},  year={1998},  month={Sep},  pages={465–471} }