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Stavitsky Y, Shandling AH, Ellestad MH, Hart GB, Van Natta B, Messenger JC, Strauss M, Dekleva MN, Alexander JM, Mattice M, Clarke D.Stavitsky Y, et al. Among authors: messenger jc.Cardiology. 1998 Oct;90(2):131-6. doi: 10.1159/000006832.Cardiology. 1998.PMID: 9778551Clinical Trial.