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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Photomicrograph of brain, Congo red for amyloid plaques visualization in the cerebral cortex and hippocampus. Group (2) showed marked increase in the number of amyloid lesions with few to absence in the treated groups (arrows).