1. Arrhythmias associated with sinus node disease;Alpert;JAMA,1987
2. Indications for electrophysiologic testing in the diagnosis and assessment of sinus node disease;Benditt;Circulation,1987
3. Survey of cardiac pacing in the United States in 1989;Bernstein;Am J Cardiol,1992
4. First degree atrioventricular block;Bexton;European Heart Journal,1984
5. Intracardiac electrophysiologic studies in patients with atrioventricular and intraventricular blocks not associated with acute myocardial infarction;Bhandari;Circulation,1987