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. Author manuscript; available in PMC: 2013 Mar 1.
Published in final edited form as: Ann Thorac Surg. 2012 Feb 2;93(3):789–795. doi: 10.1016/j.athoracsur.2011.12.028

Fig. 1.

Fig. 1

One-year follow-up shows freedom from atrial fibrillation (AF, gray bars) and freedom from AF and antiarrhythmic medications (black bars) for patients undergoing a stand-alone Cox-Maze IV procedure.