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Normalized and averaged images of rGMC and I-123 iomazenil BP. A1, rGMC image of elderly subjects. A2, rGMC image of young subjects. B1, PVE-uncorrected BP image of elderly subjects. B2, PVE-uncorrected BP image of young subjects. C1, PVE-corrected BP image of elderly subjects. C2, PVE-corrected BP image of young subjects.
