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Density of VMAT2-positive terminals in the grafted and nongrafted putamen. (A and B) Immunostaining for VMAT2 shows a markedly higher VMAT2-positive fiber density in the grafted putamen (B) compared with the nongrafted side (A). (C) The difference in VMAT2-positive innervation, as assessed by densitometry. (Scale bars: 200 µm in A, 20 µm in B and C.)
