title: [Fluctuation of heart rate and autonomic nervous system].
authors.affiliation: First Department of Internal Medicine, Nippon Medical School.
authors.forename: M
authors.initials: M
authors.lastname: Osaka
mesh_terms: D000328:Adult; D000368:Aged; D000818:Animals; D001341:Autonomic Nervous System / Q000503:physiopathology*; D001342:Autonomic Nervous System Diseases / Q000175:diagnosis / Q000503:physiopathology; D005260:Female; D006339:Heart Rate; D006801:Humans; D008297:Male; D008875:Middle Aged