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Effect of Aricept, Vitamin C, Piracetam, and various doses of ginger (Zingiber officinale) extract on neurons density in various subregions of hippocampus. (a) The neuron density in various areas of hippocampus (b). The photomicrographs of coronal sections of CA3 stained with cresyl violet at 40x magnification. Values given are the mean ± S.E.M. (n = 6) P-value < .05 as compared with vehicle plus MCAO.
