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. 2021 Nov 15;9:757767. doi: 10.3389/fbioe.2021.757767

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Copyright © 2021 Li, Liu, Bai, Li, Shang, Zhu, Zhu, Zhu, Che, Wang, Liu and Huang.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Immunofluorescence staining of COL I (A) and CD 31 (B) expression in bone surrounding scaffolds of eTi, cTi, and cTi/VEGF after implantation for 6 and 12 weeks (n = 3).