Relation between heart rate variability and training load in middle-distance runners - Pichot, V.; Roche, F.; Gaspoz, J. M.; Enjolras, F.; Antoniadis, A.; Minini, P.; Costes, F.; Busso, T.; Lacour, J. R.; Barthelemy, J. C. (Medicine & Science in Sports & Exercise, 2000)
Keywords: nervous system; middle distance running; heart rate; load intensity; USA; endurance sports; biological and medical sciences