Letter by Selvaraj and Chauhan regarding article, "Upsurge in T-wave alternans and nonalternating repolarization instability precedes spontaneous initiation of ventricular tachyarrhythmias in humans"
Circulation. 2007 Jan 2;115(1):e9; author reply e10.
doi: 10.1161/CIRCULATIONAHA.106.650952.