The sick sinus syndrome: its status after ten years.
D001145:Arrhythmias, Cardiac / Q000175:diagnosis* / Q000503:physiopathology; D004562:Electrocardiography; D006801:Humans; D012848:Sinoatrial Block / Q000175:diagnosis / Q000503:physiopathology; D012849:Sinoatrial Node / Q000503:physiopathology*