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(a) Diagram and (b) photograph of 3D printed PET/MRI normalization phantom. (c) Diagram and (d) photograph of a 3D printed PET/MRI resolution phantom with hot and cold rods.10 Figure license: Bieniosek, et al. #bib2015, Technical Note: Characterization of custom 3D printed multimodality imaging phantoms. (Copyright by John Wiley and sons).
