Heart rate variability in elite triathletes, is variation in variability the key to effective training? A case comparison - Plews, D. J.; Laursen, P. B.; Kilding, A. E.; Buchheit, M. (European Journal of Applied Physiology, 2012)
Keywords: triathlon; heart rate; variability; overtraining; training control; heart; heart rate variability; Germany; endurance sports; biological and medical sciences