TY - GEN AU - Lotto,A AU - Graziina,A AU - Greco,E M AU - Finzi,A TI - [Conduction disorders in the sick sinus syndrome: electrophysiological study] SN - 0037-878X PY - 1976///1121 KW - Arrhythmias, Cardiac KW - physiopathology KW - Bradycardia KW - etiology KW - Electric Stimulation KW - Heart Conduction System KW - Humans KW - Sinoatrial Node KW - Tachycardia N1 - Publication Type: Journal Article ER -