Franchi, F [Sino-atrial disease (sick sinus syndrome). II. Clinical and electrophysiological correlations]. [electronic resource] - Recenti progressi in medicina Mar 1979 - 270-87 p. digital Publication Type: English Abstract; Journal Article ISSN: 0034-1193 Subjects--Topical Terms: AdultAgedArrhythmias, Cardiac--diagnosisBradycardia--diagnosisElectrocardiographyFemaleHeart Conduction System--physiopathologyHeart Function TestsHumansMaleMiddle AgedSinoatrial Node--physiopathologySyndromeTachycardia--diagnosis