Heart Rate Variability: Using Biometrics to Improve Outcomes in Trauma-Informed OrganizationsEbookHeart Rate Variability: Using Biometrics to Improve Outcomes in Trauma-Informed OrganizationsbyMatthew BennettRating: 0 out of 5 stars0 ratingsSave Heart Rate Variability: Using Biometrics to Improve Outcomes in Trauma-Informed Organizations for later