INITIATION OF ATRIAL FIBRILLATION BY SPONTANEOUS VENTRICULAR PREMATURE BEATS IN CONCEALED WOLFF-PARKINSON-WHITE SYNDROMESHEN EN; SUNG RJ.1982; AM. HEART J.; ISSN 0002-8703; USA; DA. 1982; VOL. 103; NO 5; PP. 911-912; BIBL. 5 REF.Article

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