The accuracy of acquiring heart rate variability from portable devices: A systematic review and meta-analysis - Dobbs, W. C.; Fedewa, M. F.; MacDonald, H. V.; Holmes, C. J.; Cicone, Z. S.; Plews, D. J.; Esco, M. R. (Sports Medicine, 2019)
Keywords: ECG; heart rate; heart; frequency; investigation method; auxiliary device; Switzerland; biological and medical sciences