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Histological analysis after Masson–Goldner staining of PLGA/HAp scaffold 1 week post-implantation (a) and PLGA/HAp scaffold 26 weeks post-implantation (b); s—scaffold, star (*)—tissue ingrowth. Material volume fraction of PLGA, PLGA/coll and PLGA/HAp scaffolds at the implantation site after 1, 4, 12 and 26 weeks post-implantation (c); statistically significant differences at # p < 0.05 according to ANOVA.
