Heart rate variability as an instrument to evaluate the training stress - Savonen, K.; Kyro, K. P.; Pelkonen, J.; Reijo, J.; Myllyniemi, J. (Scandinavian Journal of Medicine & Science in Sports, 1998)
Keywords: load organization; heart rate; variability; overtraining; cross-country skiing; biathlon; Nordic combined; high performance sport; elite sport; heart rate variability; Denmark; biological and medical sciences