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Figure 4 Representative patterns of apolipoprotein A-I in plasma from patients during acute myocardial infarction (AMI), unstable angina (UA), and age-matched control subjects. Images were obtained from the bidimensional electrophoresis gels using a pH range of 4 to 7. Numbers 1 to 5 were only used to identify each apolipoprotein A-I isoform.