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. 2020 Oct 2;11:562084. doi: 10.3389/fphar.2020.562084

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Copyright © 2020 Huang, Xie, Xu, Huang, Zheng, Chen and Cao

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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Pathological observation of lung and brain tissue by HE staining. (A) Lung tissue (Upper, 100×; Lower, 400×). (B) Lung tissue observed under a fluorescence microscope (400×). BF: Brightfield; FL: Fluorescence. (C) Cerebral cortex (Upper, 100×; Lower, 400×). (D) Hippocampus (Upper, 100×; Lower, 400×).