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Bashir Y, Heald SC, Katritsis D, Hammouda M, Camm AJ, Ward DE.Bashir Y, et al. Among authors: katritsis d.Br Heart J. 1993 Apr;69(4):315-21. doi: 10.1136/hrt.69.4.315.Br Heart J. 1993.PMID: 8489863Free PMC article.