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Representative images of H&E staining of heart, liver, spleen, lung, and kidney sections in the group of (a) NS, (b) Blank Gel, (c) Free NCTD/Dox, and (d) NCTD-NPs/Dox Gel (× 200).
Abbreviations: H&E, hematoxylin and eosin; NS, normal saline; NCTD, norcantharidin; Dox, doxorubicin; NPs, nanoparticles.
