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Figure 7: Planar scintigraphy of 99mTc-EC (left) and 99mTc-ECG (300  𝜇 Ci/rat, iv, acquired 500,000 count) (middle and right) in mesothelioma-bearing rats. The numbers are tumor-to-muscle count density ratios at 1 hr (upper panel) and 2 hrs (lower panel). T: tumor.