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Visual categorization of I-123 FP-CIT SPECT images. The numbers of patients of various visual categories according to I-123 FP-CIT SPECT image reconstruction factor are indicated by disease group. FP-CIT = N-ω-fluoropropyl-2β-carbomethoxy-3β-(4-I-123 iodophenyl)nortropane, SPECT = single-photon emission computed tomography.
