Validity of the Elite HRV smartphone application for examining heart rate variability in a field-based setting - Perrotta, A. S.; Jeklin, A. T.; Hives, B. A.; Meanwell, L. E.; Warburton, D. E. R. (The Journal of Strength and Conditioning Research, 2017)
Keywords: field test; technology; measuring procedure; heart rate; variability; heart rate variability; USA; biological and medical sciences; technical and natural sciences