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. 2019 Dec 2;14:9453–9467. doi: 10.2147/IJN.S224579

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© 2019 Zhao et al.

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Electron micrograph of uterus and ovarian. Well-preserved morphology and intact nucleus, microvillus structure and abundant villi of the uterus are observed in the saline group (A) and (PEI-SA)HA/PC group (B). The normal morphology of nucleus can be seen in saline group (C) and (PEI-SA)HA/PC group (D), apoptotic cells containing nuclear fragments were not found. There is no significant difference in ultra-structure between the control group and the (PEI-SA)HA/PC group.