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A. Sample from the subacute reperfused infarction group. B. Sample from the chronic reperfused infarction group. Arrows indicate the area of infarction (not stained with 2,3,5-triphenyltetrazolium chloride). Note the transmural nature of the infarction zone, which appears well defined and paler. LV, left ventricle; RV, right ventricle.
