title: Cardiovascular variability is/is not an index of autonomic control of circulation.
authors.forename: George E
authors.initials: GE
authors.lastname: Billman
mesh_terms: D000818:Animals; D001341:Autonomic Nervous System / Q000502:physiology*; D001775:Blood Circulation / Q000502:physiology*; D002320:Cardiovascular Physiological Phenomena; D006339:Heart Rate / Q000502:physiology; D006801:Humans; D010275:Parasympathetic Nervous System / Q000502:physiology; D011943:Receptors, Adrenergic, beta / Q000502:physiology; D013564:Sympathetic Nervous System / Q000502:physiology
chemical_list: D011943:Receptors, Adrenergic, beta