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FIG 6. A and B, Signal intensity in the deep nuclei and peripheral cerebral white matter expressed as a percentage of the intensity of CSF signal in the tips of the frontal horns. Examinations with 1.5-T equipment (A) and with 1.0-T equipment (B). The number of subjects measured varies in the figures, because in two patients and in four control subjects the frontal horns were very small or the sections containing the structures of interest were not optimally located in the sections. Solid circles indicate patients; open circles, control subjects
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