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Luu TN, Chester AH, O'Neil GS, Tadjkarimi S, Yacoub MH.Luu TN, et al. Among authors: o neil gs.Br Heart J. 1992 Jun;67(6):474-7. doi: 10.1136/hrt.67.6.474.Br Heart J. 1992.PMID: 1377922Free PMC article.