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. 2023 Feb 3;13:1961. doi: 10.1038/s41598-023-29166-y

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© The Author(s) 2023

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Ki-67 immunohistochemically stained sections of LNZ308 tumors after irradiation. The cell proliferation antigen Ki-67 was used as a marker of cell proliferation. Tumors on right paws were irradiated on day 0 at the dose of 0 Gy (A and B) or 60 Gy (C and D). Photomicrographs of low (A and C) and high (B and D) magnification. Ki-67 stained tumor sections are shown at days 0, 1, 3, 7, 10, and 14 after irradiation (N = 1 each treatment group).