title: Power spectrum analysis of heart rate variability: a tool to explore neural regulatory mechanisms.
authors.forename: A
authors.initials: A
authors.lastname: Malliani
authors.forename: F
authors.initials: F
authors.lastname: Lombardi
authors.forename: M
authors.initials: M
authors.lastname: Pagani
mesh_terms: D001341:Autonomic Nervous System / Q000502:physiology*; D004594:Electrophysiology / Q000379:methods; D005583:Fourier Analysis; D006331:Heart Diseases / Q000503:physiopathology; D006339:Heart Rate / Q000502:physiology*; D006801:Humans; D013564:Sympathetic Nervous System / Q000502:physiology; D014630:Vagus Nerve / Q000502:physiology