title: [Sinus arrhythmia].
authors.affiliation: Second Department of Internal Medicine, School of Medicine, University of Tokushima.
authors.forename: A
authors.initials: A
authors.lastname: Nishikado
authors.forename: T
authors.initials: T
authors.lastname: Oki
mesh_terms: D001146:Arrhythmia, Sinus / Q000145:classification / Q000503:physiopathology; D004562:Electrocardiography; D004594:Electrophysiology; D006801:Humans