@article{bor-seng-shu_almeida_andrade_fonoff_teixeira_barbosa_2012,  title={Echogenicity of the substantia nigra region in Parkinson's disease},  volume={70},  ISSN={0004-282X},  url={https://doi.org/10.1590/S0004-282X2012000200016},  DOI={10.1590/S0004-282X2012000200016},  number={2},  journal={Arquivos de Neuro-Psiquiatria},  publisher={Academia Brasileira de Neurologia - ABNEURO},  author={Bor-Seng-Shu, Edson and Almeida, Kelson James and Andrade, Daniel Ciampi de and Fonoff, Erich Talamoni and Teixeira, Manoel Jacobsen and Barbosa, Egberto Reis},  year={2012},  month={Feb},  pages={153–154} }