Sex differences in heart rate variability: a longitudinal study in international elite cross-country skiers - Schäfer, D.; Gjerdalen, G. F.; Solberg, E. E.; Khokhlova, M.; Badtieva, V.; Herzig, D.; Trachsel, L. D.; Noack, P.; Karavirta, L.; Eser, P.; Saner, H.; Wilhelm, M. (European Journal of Applied Physiology, 2015)
Keywords: cross-country skiing; male; female; heart rate; variability; heart; heart rate variability; Switzerland; biological and medical sciences; endurance sports