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. Author manuscript; available in PMC: 2011 May 31.
Published in final edited form as: Phys Med Biol. 2008 Oct 3;53(21):5947–5965. doi: 10.1088/0031-9155/53/21/004

Figure 1.

Figure 1

Various resolution degrading effects in PET: (1) positron range, (2) photon non-collinearity, (3) inter-crystal penetration, and (4) inter-crystal scattering.