1. Syncopal attacks, associated with prolonged arrest ofthe whole heart;Laslett;Quart J Med,1909
2. Electrical reversion of cardiac arrhythmias;Lown;Br Heart J,1967
3. The syndrome of alternating bradycardia and tachycardia;Short;Br Heart J,1954
4. Clinical spectrum of the sick sinus syndrome;Rubenstein;Circulation,1972
5. Sinus bradycardia;Eraut;Br Heart J,1971