@article{article33e400db,
title   = {Vagal and sympathetic control of heart rate during exercise by sedentary and exercise-trained rats},
author = {Negrão, C. E. and Moreira, E D and Brum, Patrícia Chakur and Denadai, Mara Lucy Dompietro Ruiz and Krieger, Eduardo Moacyr},
year = {1992},
journal   = {Brazilian Journal of Medical and Biological Research}
}