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SUVR and z-score derived from [18F]FDG PET image data of the prefrontal, precuneus and parietal region with whole cerebellum as reference. The graphs display patients (a,b) and healthy controls (c,d), and from left to right in each graph are OSEM, TOF OSEM, TOF OSEM PSF (three variants) and BSREM (two variants).
