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Collagen and electrospun PLA based biphasic scaffold in regeneration of osteochondral defects in rabbit model. (a) ‘All collagen’-based scaffold manufacturing method; (b) hybrid biphasic scaffolds fabrication of electrospun PLA and freeze-dried collagen; (c–h) gross morphology of the non-treated, all collagen (COL) and collagen-electrospun PLA fiber (COL-nanofiber) scaffolds; (i–j) ICRS scoring for the repair qualities (reprinted with permission from Elsevier).
