@article{kummer_teixeira_2009,  title={Neuropsychiatry of Parkinson's disease},  volume={67},  ISSN={0004-282X},  url={https://doi.org/10.1590/S0004-282X2009000500033},  DOI={10.1590/S0004-282X2009000500033},  number={3b},  journal={Arquivos de Neuro-Psiquiatria},  publisher={Academia Brasileira de Neurologia - ABNEURO},  author={Kummer, Arthur and Teixeira, Antonio Lucio},  year={2009},  month={Sep},  pages={930–939} }