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Schär M, Gabr RE, El-Sharkawy AM, Steinberg A, Bottomley PA, Weiss RG.Schär M, et al.J Cardiovasc Magn Reson. 2015 Aug 8;17(1):70. doi: 10.1186/s12968-015-0175-4.J Cardiovasc Magn Reson. 2015.PMID: 26253320Free PMC article.