@article{lolas_combeau_1977,  title={Low-level electrical currents and brain indicators of behavioral activation},  volume={35},  ISSN={0004-282X},  url={https://doi.org/10.1590/S0004-282X1977000400004},  DOI={10.1590/S0004-282X1977000400004},  number={4},  journal={Arquivos de Neuro-Psiquiatria},  publisher={Academia Brasileira de Neurologia - ABNEURO},  author={Lolas, F. and Combeau, V.},  year={1977},  month={Dec},  pages={325–328} }