title: Importance of tachogram length and period of recording during noninvasive investigation of the autonomic nervous system.
authors.forename: Anthony S
authors.initials: AS
authors.lastname: Leicht
authors.forename: Fiona L S
authors.initials: FL
authors.lastname: Young
mesh_terms: D001341:Autonomic Nervous System / Q000502:physiology*; D004562:Electrocardiography / Q000379:methods*; D005260:Female; D006329:Heart Conduction System / Q000502:physiology*; D006339:Heart Rate / Q000502:physiology*; D006801:Humans; D008297:Male; D011187:Posture / Q000502:physiology*