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Teoh M, Lalondrelle S, Roughton M, Grocott-Mason R, Dubrey SW.Teoh M, et al. Among authors: dubrey sw.Heart. 2007 Feb;93(2):183-8. doi: 10.1136/hrt.2006.091900. Epub 2006 Aug 16.Heart. 2007.PMID: 16914486Free PMC article.