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(A) Perfusion (incoming blood flow Q) computed for different box sizes in bilogarithmic representation. The dotted line is for surface variation (slope equals 2). (B, C) Different normalization scales for the blood perfusion Q versus the voxel box size: (B) Q/V versus the voxel-box length, (C) new surface normalization for the perfusion Q/S versus the voxel-box length. For (A, B) significant differences are indicated with asterisks: ***P<10−3 and **P<5 × 10−3, and for (C) P>0.75.
