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Comparison of control and ALS group FA. Between group comparison showing white matter voxels in which the ALS group displayed decreased FA relative to control subjects, in axial (top), sagittal (middle) and coronal (bottom) slices (uncorrected p < 0.05). Abbreviations: I, inferior; S, superior; R, right; L, left; A, anterior; P, posterior. [Color figure can be viewed at http://wileyonlinelibrary.com]
