Interscan Displacement-Induced Variance in PET Activation Data Is Excluded by a Scan-Specific Attenuation Correction. - A. A. T. Simone Reinders; Antoon T. M. Willemsen; Janniko R. Georgiadis; M. Hovius; A. M. J. Paans; Johan A. den Boer (NeuroImage, 2002)