title: New system for the assessment of autonomic nervous activity during 24-hour period by spectral analysis of the heart rate.
authors.forename: Y
authors.initials: Y
authors.lastname: Ichimaru
authors.forename: Y
authors.initials: Y
authors.lastname: Kodama
authors.forename: M
authors.initials: M
authors.lastname: Ichimaru
authors.forename: Y
authors.initials: Y
authors.lastname: Sato
authors.forename: T
authors.initials: T
authors.lastname: Yanaga
mesh_terms: D000203:Activities of Daily Living; D000328:Adult; D001341:Autonomic Nervous System / Q000502:physiology*; D004562:Electrocardiography; D006321:Heart / Q000294:innervation; D006339:Heart Rate; D006801:Humans; D008991:Monitoring, Physiologic / Q000379:methods*