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Figure 1 Patient Flow Diagram
Patients with established cardiovascular disease requiring treatment with clopidogrel were prospectively recruited from catheterization laboratories and outpatient clinics. The majority of subjects presented for evaluation of coronary artery disease (CAD). A subset of patients evaluated for CAD presented with symptoms of an acute coronary syndrome (ACS), including unstable angina or recent myocardial infarction (MI) >72 h before recruitment. PAD = peripheral arterial disease.
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