Abstract 500: High Basal Ca <sup>2+</sup> / Calmodulin Kinase II Activity Modulates Spontaneous Sarcoplasmic Reticulum Ca <sup>2+</sup> Cycling That Drives Normal Automaticity in Sinoatrial Nodal CellsYue Li, Edward G. Lakatta, Tatiana M. Vinogradova et al.|Circulation|2007Cited by 1