@article{serafim_barros_valim_gorenstein_2009,  title={Cardiac response and anxiety levels in psychopathic murderers},  volume={31},  ISSN={1516-4446},  url={https://doi.org/10.1590/S1516-44462009000300006},  DOI={10.1590/S1516-44462009000300006},  number={3},  journal={Brazilian Journal of Psychiatry},  publisher={Associação Brasileira de Psiquiatria},  author={Serafim, Antonio de Pádua and Barros, Daniel Martins de and Valim, André and Gorenstein, Clarice},  year={2009},  month={Sep},  pages={214–218} }