Intraday and interday reliability of ultra-short-term heart rate variability in rugby union players - Nakamura, F. Y.; Pereira, L. A.; Esco, M. R.; Flatt, A. A.; Moraes, J. E.; Cal Abad, C. C.; Loturco, I. (The Journal of Strength and Conditioning Research, 2017)
Keywords: rugby; female; heart rate; variability; biorhythm; heart rate variability; USA; biological and medical sciences; sport games