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MSC/POC ECM-based TEBs promote bone regeneration in vivo. (a, b) Representative images of the Masson staining. Scale bars are 500 μm and 100 μm. (c) Representative images of 3D micro-CT reconstruction. Scale bars: 1 cm. (d) Quantitative analysis of micro-CT; **p < 0.01, *p < 0.05, NS: no significance.
