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Effect of STZ, metformin, DM, and DM+MHY on Cogno red stained cortex tissue in rats in different groups
Light micrographs of Aβ plaques. The black arrow shows Aβ plaques (Congo red staining, original magnification×100).
STZ: Streptozotocin; DM: Dorsomorphin; MWM: Morris water maze
