TY  - JOUR 
T1  - Moderate-term reproducibility of heart rate variability during rest and light to moderate exercise in children
JO  - Brazilian Journal of Medical and Biological Research
A1  - Leicht, A.S.
A1  - Allen, G.D.
SN  - 0100-879X
UL  - 10.1590/S0100-879X2008000700013
VL  - 41 
Y1  - 2008
PB  - Brasil 
ER  -