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. 2021 Jun;9(11):929. doi: 10.21037/atm-21-2018

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2021 Annals of Translational Medicine. All rights reserved.

Open Access Statement: This is an Open Access article distributed in accordance with the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International License (CC BY-NC-ND 4.0), which permits the non-commercial replication and distribution of the article with the strict proviso that no changes or edits are made and the original work is properly cited (including links to both the formal publication through the relevant DOI and the license). See: https://creativecommons.org/licenses/by-nc-nd/4.0.

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Histopathological changes in the lips of rabbits on the 21st, 28th, and 35th days after injection of different mass concentrations of pingyangmycin in the experimental groups and after injection of normal saline in the control group by transmission electron microscope (TEM). (A and B, C, D were respectively observed under transmission electron microscope on the 21st, 28th, and 35th days after injection of 8 mg/5 mL pingyangmycin; F, G and H, and I were respectively observed under transmission electron microscope on the 21st, 28th, and 35th days after the injection of 8 mg/3 mL pingyangmycin; E and J were the manifestations under the transmission electron microscope on the 35th day after injection of normal saline in the control group; 80 kV, magnification ×1,000).