 @article{filgueiras_1998,  title={Hoffman reflex (H-reflex) obtained in subjects of both sexes, ranging from 20 to 80 years old},  volume={56},  ISSN={0004-282X},  url={https://doi.org/10.1590/S0004-282X1998000500028},  DOI={10.1590/S0004-282X1998000500028},  number={4},  journal={Arquivos de Neuro-Psiquiatria},  publisher={Academia Brasileira de Neurologia - ABNEURO},  author={FILGUEIRAS, MARCO AURÉLIO SMITH},  year={1998},  month={Dec},  pages={860–860} }