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SEM images of (a, e) BG scaffold, (b, f) BG-XLS1 scaffold, (c, g) BG-XLS3 scaffold, (d, h) BG-XLS5 scaffold; (i, j) Porosity and shrinkage of BG, BG-XLS1, BG-XLS3 and BG-XLS5 scaffolds, respectively; (k) Compressive strength of BG, BG-XLS1, BG-XLS3 and BG-XLS5 scaffolds. Data are expressed as mean ± SD (n = 3). (*P < 0.05, **P < 0.05).
