@article{oliveira júnior_pereira_silva_brito alves_costa-silva_braga_balarini_2022,  title={Different acquisition systems for heart rate variability analysis may lead to diverse outcomes},  volume={55},  ISSN={0100-879X},  url={https://doi.org/10.1590/1414-431X2021e11720},  DOI={10.1590/1414-431X2021e11720},  journal={Brazilian Journal of Medical and Biological Research},  publisher={Associação Brasileira de Divulgação Científica},  author={Oliveira Júnior, F.A. de and Pereira, R.A. and Silva, A.S. and Brito Alves, J.L. de and Costa-Silva, J.H. and Braga, V.A. and Balarini, C.M.},  year={2022},  pages={e11720} }