2Smith ML,Hudson DL,Graitzer HM,Raven PB.Exercise training bradycardia:the role of autonomic balance.Med Sci Sports Exerc,1989,21(1):40
3Manoloas VM,Pavlik G,Banhegyi A et al.Echocardiographic changes in the development of athlete's heart in 9-20-year-old male subjects.Acta Physiol Hung,2001,88(3-4):259
4Catai AM,Chacon-Mikahil MP,Martinelli FS et al.Effect of aerobic exercise training on heart rate variability during wakefulness and sleep and cardiorespiratory responses of young and middle-aged healthy men.Braz J Med Biol Res,2002,35(6):741.
5Malliani A,Pagani M,Lombardi F et al.Cardiovascular neural regulation explored in the frequency domain.Circulation,1991,84(2):482
6Stein R,Moraes RS,Cavalcanti AV et al.Atrial automaticity and atrioventricular conduction in athletes:contribution of autonomic regulation.Eur J Appl Physiol,2000,82(1-2):155
7Mandel W.Evaluation of sino-atrial node functions in man by overdrive suppression.Circulation,1971,44(1):59
8Satoh S,Kanatsuka H,Kyono H et al.A new indirect method for measurement of sinoatrial conduction time and sinus node return cycle.Jpn Heart J,1985,26(3):335
9Shi X,Stevens GH,Foresman BH et al.Autonomic nervous system control of heart:endurance exercise training.Med Sci Sport Exerc,1995,27(10):1 406
10Goldberger JJ.Sympathovagal balance:how should we measure it? Am J Physiol,1999,276(4 pt 2):1 273