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Bevilacqua M, Sanders SP, Van Praagh S, Colan SD, Parness I.Bevilacqua M, et al. Among authors: colan sd.J Am Coll Cardiol. 1991 Aug;18(2):559-68. doi: 10.1016/0735-1097(91)90615-g.J Am Coll Cardiol. 1991.PMID: 1856426Free article.
Rein AJ, Hsieh KS, Elixson M, Colan SD, Lang P, Sanders SP, Castaneda AR.Rein AJ, et al. Among authors: colan sd.Am Heart J. 1986 Jul;112(1):97-103. doi: 10.1016/0002-8703(86)90685-x.Am Heart J. 1986.PMID: 3728295