विचारों
Bioforce HRV Mobile Walkthrough with Joel Jamieson
Best HRV Apps: iPhone & Android (Which is the Best HRV App?)
HRV4Training App Review
Elite HRV - Quick Heart Rate Variability Overview
W/Me2 App Tutorial - HRV Measurement
Adding HRV into your Practice Using the HRV Suite - Webinar | Thought Technology
Development of Real-time HRV Analyzer and its Application to the Biofeedback System
HRV Training and its Importance - Richard Gevirtz, Ph.D., Pioneer in HRV Research & Training