TY  - JOUR 
T1  - Different acquisition systems for heart rate variability analysis may lead to diverse outcomes
JO  - Brazilian Journal of Medical and Biological Research
A1  - Oliveira Júnior, F.A. de
A1  - Pereira, R.A.
A1  - Silva, A.S.
A1  - Brito Alves, J.L. de
A1  - Costa-Silva, J.H.
A1  - Braga, V.A.
A1  - Balarini, C.M.
SN  - 0100-879X
UL  - 10.1590/1414-431X2021e11720
VL  - 55 
Y1  - 2022
PB  - Brasil 
ER  -