Cardiac vagal modulation of heart rate during prolonged submaximal exercise in animals with healed myocardial infarctions: effects of training.
Kukielka M, Seals DR, Billman GE. Cardiac vagal modulation of heart rate during prolonged submaximal exercise in animals with healed myocardial infarctions: effects of training. Am J Physiol Heart Circ Physiol. 2006 Apr; 290(4):H1680-5.