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. 2023 Mar 7;18:1131–1143. doi: 10.2147/IJN.S400798

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© 2023 Zhang et al.

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Tissue reactions of ES NPs-HA. HE staining of nerves 14d after treatment with (A) Control: 0.9% NaCl, (B) ES: esketamine, or (C) ES NPs-HA: hydrogel-containing esketamine-encapsulated nanoparticles. Scale bar: 100 μm.