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. Author manuscript; available in PMC: 2012 Jan 1.
Published in final edited form as: IEEE Trans Nucl Sci. 2011;58(1):99–104. doi: 10.1109/TNS.2010.2072791

Fig. 1.

Fig. 1

Transverse and axial views of the 35-cm diameter by 30-cm long lesion phantom. The spheres are arranged at a fixed radial position and placed in a plane at ¼ the axial length of the scanner (vertical line in axial view shows schematically the central plane of the scanner).