JNM -- Funk et al. 47 (4): 595 Figure IG2

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FIGURE 2. Spatial resolution (A) and detection efficiency (B) for LEGP parallel-hole (•) and 9-pinhole collimator ( ${diamondsuit}$ ). ${diamond}$ depicts efficiency of 9-pinhole collimator at same spatial resolution as parallel-hole collimator. a.u. = arbitrary units.