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Figure 1 The cumulative distribution curve of minimal lumen diameter in 369 patients before stent implantation (curves at the left), after stent implantation (curves at the right) and at follow-up (curves in the middle). DD = homozygotes with two deletion alleles in the angiotensin-converting enzyme (ACE) gene; DI = heterozygotes with one deletion and one insertion allele in the ACE gene; II = homozygotes with two insertion alleles in the ACE gene.