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Uptake of radioactivity (%ID/g) in normal myocardium (N) and area at risk (AR) at 90 minutes (90min pi) or 20 hours (20h pi) postinjection of 99mTc glucarate in rats subjected to 5 minutes (I-5) or 30 minutes (I-30) ligation of the left coronary artery. Values are presented as mean ± SD, n = 3 for I-590min pi andr I-3090min pi and n = 2 for I-520h pi and I-3020h pi.
