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Burg MM, Jain D, Soufer R, Kerns RD, Zaret BL.Burg MM, et al. Among authors: zaret bl.J Am Coll Cardiol. 1993 Aug;22(2):440-8. doi: 10.1016/0735-1097(93)90048-6.J Am Coll Cardiol. 1993.PMID: 8335813Free article.