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Figure 1 Two-year adverse events in patients treated with bare stents before the introduction of sirolimus-eluting stents (SES) (pre-SES group) and in patients treated exclusively with SES implantation (SES group). (A) Cumulative risk of death. (B) Death or myocardial infarction. (C) Death, myocardial infarction, or target vessel revascularization.