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Garratt KN, Brady PA, Hassinger NL, Grill DE, Terzic A, Holmes DR Jr.Garratt KN, et al. Among authors: hassinger nl.J Am Coll Cardiol. 1999 Jan;33(1):119-24. doi: 10.1016/s0735-1097(98)00557-9.J Am Coll Cardiol. 1999.PMID: 9935017Free article.