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FIGURE 2. Pinhole images of nude rats without (A–C) or with (D–F) myocardial infarction after injection of 111In-oxine–labeled HPCs into the left ventricular cavity. At 1 h after injection, a high lung uptake was visible on the spot images of the chest and abdomen (A and D), but was no longer detectable on images at 24 (B and E) and 96 (C and F) h after injection. The spot images of the chest and abdomen after 96 h clearly showed significant differences in cardiac uptake between infarcted (F) and sham-operated (C) animals.
