%0 Journal Article %T Frequency Analysis of Atrial Action Potential Alternans A Sensitive Clinical Index of Individual Propensity to Atrial Fibrillation %A Narayan, Sanjiv M. %J Circulation: Arrhythmia & Electrophysiology %V 6 %N 5 %P 859–867-859&ndash-ndash;867-859–867 %@ 1941-3149 %D 2013-10-01 %~ DeepDyve