Figure 1. Brain MRI showing on axial fluid-attenuated inversion recovery sequences the two volumes selected in the white matter, one in the centrum semi-ovale and the other in the frontal white matter (a) and the volume selected in the medial parieto-occipital gray matter (b). (c) Spectrum at ET = 136 ms showing the NAA and Cho peaks; (d) spectrum at ET = 18 ms showing the Myo peak; (e) spectrum at ET = 30 ms.

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