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De Jaegere PP, Arnold AA, Balk AH, Simoons ML.De Jaegere PP, et al. Among authors: balk ah.J Am Coll Cardiol. 1992 Feb;19(2):289-94. doi: 10.1016/0735-1097(92)90480-b.J Am Coll Cardiol. 1992.PMID: 1732354Free article.