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Le RJ, Fenstad ER, Maradit-Kremers H, McCully RB, Frantz RP, McGoon MD, Kane GC.Le RJ, et al. Among authors: mcgoon md.J Am Coll Cardiol. 2011 Aug 16;58(8):863-7. doi: 10.1016/j.jacc.2011.04.026.J Am Coll Cardiol. 2011.PMID: 21835323Free article.Retracted.