AJNR -- Ge et al. 23 (8): 1327 Figure 2

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FIG 2. Regression analysis of fractional brain tissue volume estimates on age in 54 healthy adult subjects. Linear and weighted constrained quadratic models are presented; these indicate the age-related volume estimates throughout adulthood in normal brains.

A, %GM.

B, %WM.

C, GM/WM ratio.