ACC/AHA key data elements and definitions for measuring the clinical management and outcomes of patients with atrial fibrillation: a report of the American College of Cardiology/American Heart Association Task Force on Clinical Data Standards (Writing Committee to Develop Data Standards on Atrial Fibrillation)
Authors: McNamara RL; Go AS; American Heart Association; et al.
Circulation. 2004 Jun 29;109(25):3223-43.