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Line graph of lesion volumes defined by T2, apparent diffusion coefficient (ADC), and FA changes at 3 h and at 1, 2, 7, and 14 d post-TBI (mean±standard error of the mean; n=6 each group). Lesion volumes were determined as pixels that had T2, ADC, or fractional anisotropy (FA) values higher than the mean plus 2 standard deviations of the value in the homologous contralesional region.
