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BACKGROUND The aim of our study was to determine if ablation and pacing improved brain perfusion (BP) and cognitive function (CF) in patients with medically refractory rapidly conducted atrial(More)
For a fixed isotopy type K of unframed knots in S 3 there are infinitely many isotopy classes of framed knots that correspond to K when we forget the framing. We show that the same fact is true for(More)