American College of Cardiology 2006 principles to guide physician pay-for-performance programs: a report of the American College of Cardiology Work Group on Pay for Performance (A Joint Working Group of the ACC Quality Strategic Direction Committee and the ACC Advocacy Committee)
J Am Coll Cardiol. 2006 Dec 19;48(12):2603-9.
doi: 10.1016/j.jacc.2006.10.046.