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Amyloid-β plaque reduction with gantenerumab. Axial florbetapir brain PET images from five patients displaying reduction of amyloid-β plaques from OLE baseline to OLE week 52 and OLE week 104. Axial slices are at the level of the basal ganglia. PET images were obtained 50 min post-injection, SUVR data with the cerebellar cortex as the reference region
