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. 2021 Jul 8;12:626238. doi: 10.3389/fphar.2021.626238

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Copyright © 2021 Deore, S, Naqvi, Kumar and Flora.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Photomicrographs of the hippocampus of experimental animals. Lead- and ZnO NP–treated groups showing altered cell density in the CA1, CA2, CA3, and DG regions.