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FIG 2. MR spectra from case 1 (1500/270; number of signals acquired, 128), obtained by using a 2 x 2 x 2 cm voxel centered within abnormal right occipital tissue (left) and within normal left occipital tissue (right), show reduced NAA/Cr and NAA/Cho ratios in the abnormal right occipital tissue compared with the normal left occipital tissue.
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