Alternative Devices for Heart Rate Variability Measures – HeartMath Institute
How do the ECG-based devices compare to the photoplethysmographic devices in terms of reliability
Where Published: Behav. Sci. 2021, 11, 68. DOI: https://doi.org/10.3390/bs11050068.
Authors: Jacquelin M. Killian, Rachel M. Radin, Cubby L. Gardner, et al.
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