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Left ventricular volume analysis in healthy controls (blue bars), unassisted postinfarct animals (red bars), and assisted postinfarct animals (green bars). *Denotes p < 0.05 when compared with healthy weight-matched controls by unpaired t test. *Denotes p < 0.05 when compared with the unassisted state by paired t test. (EDV = end-diastolic volume; EF = ejection fraction; ESV = end-systolic volume; SV = stroke volume.)
