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Functionalized PLA nano-fibrous scaffolds incorporating recombinant human bone morphogenetic protein-7 (rhBMP-7) nanospheres. (A, B) rhBMP-7-loaded nanosphere and scaffolds; (C–F) SEM images of nano-fibrous scaffolds before (C and D) and after nanosphere incorporation (E and F). Reproduced from Ref. [31] with permission from Elsevier.
