FIGURE 2. Phantom of Derenzo et al. (23) for ⁶⁴Cu (A) and ⁶⁰Cu (B). Unfavorable emissions associated with decay of ⁶⁰Cu have not reduced image quality in comparison with ⁶⁴Cu phantom in ECAT 962 HR⁺ scanner. Values shown are bore sizes, in millimeters.

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