@article{mendes_finkelsztejn_gomes_fragoso_2012,  title={Early and severe cognitive impairment in multiple sclerosis},  volume={6},  ISSN={1980-5764},  url={https://doi.org/10.1590/S1980-57642012DN06010008},  DOI={10.1590/S1980-57642012DN06010008},  number={1},  journal={Dementia & Neuropsychologia},  publisher={Academia Brasileira de Neurologia, Departamento de Neurologia Cognitiva e Envelhecimento},  author={Mendes, Maria Fernanda and Finkelsztejn, Alessandro and Gomes, Sidney and Fragoso, Yára Dadalti},  year={2012},  month={Jan},  pages={48–52} }