title: [Detection of spontaneous heart rate fluctuations].
authors.forename: V
authors.initials: V
authors.lastname: Lange
mesh_terms: D001146:Arrhythmia, Sinus / Q000175:diagnosis / Q000503:physiopathology*; D004562:Electrocardiography; D006321:Heart / Q000294:innervation*; D006339:Heart Rate / Q000502:physiology*; D006801:Humans; D012849:Sinoatrial Node / Q000503:physiopathology
vernacular_title: Zum Problem der Erfassung der spontanen Herzfrequenzvariabilität.