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Representative example of long term treatments with Ginkgo biloba extract (EGb 761) and Trolox on neuritic curvature. In vivo images with multiphoton microscopy were taken 30 days after commencing the treatment (A, Control; B, Ginkgo biloba extract; C, Trolox). Neurons are green, blood vessels (red) contain Texas Red dextran and dense-core Aβ plaques are histochemically labeled by methoxy-XO4 (blue). Scale bar: 25 µm
