@article{souza_ribeiro_1987,  title={Tremor ortostático},  volume={45},  ISSN={0004-282X},  url={https://doi.org/10.1590/S0004-282X1987000300013},  DOI={10.1590/S0004-282X1987000300013},  number={3},  journal={Arquivos de Neuro-Psiquiatria},  publisher={Academia Brasileira de Neurologia - ABNEURO},  author={Souza, Ricardo de Oliveira and Ribeiro, Sergio Antonio},  year={1987},  month={Sep},  pages={324–328} }