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Effect of ischemic postconditioning (IPO) 2’ on myocardial infarction in the presence or absence of DL-propargylglycine (PAG) (mean ± SD). (A) Representative photographs of infarcted heart slices stained with triphenyltetrazolium chloride. Infarcted tissue appears pale, while viable tissue stains red. (B) Mean data of infarct size (expressed as percentage of total ventricular area). *P<0.05, compared with control (CON) group; #P<0.05, compared with IPO 2’ group. n=5 or 6.
