title: Inferring vagal tone from heart rate variability.
authors.forename: P K
authors.initials: PK
authors.lastname: Stein
mesh_terms: D001016:Aortic Bodies / Q000502:physiology*; D001146:Arrhythmia, Sinus; D003645:Death, Sudden; D006321:Heart / Q000502:physiology*; D006339:Heart Rate / Q000502:physiology*; D006801:Humans; D011379:Prognosis