title: Sympathovagal balance: a critical appraisal.
authors.affiliation: Department of Medicine, Hunter Holmes McGuire Department of Veterans Affairs Medical Center and Medical College of Virginia, Virginia Commonwealth University, Richmond 23249, USA. deckberg@aol.com
authors.forename: D L
authors.initials: DL
authors.lastname: Eckberg
mesh_terms: D000818:Animals; D004562:Electrocardiography; D006339:Heart Rate; D006801:Humans; D008433:Mathematics; D013564:Sympathetic Nervous System / Q000502:physiology*; D014630:Vagus Nerve / Q000502:physiology*