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A Hybrid scaffolds of PLLA obtained by fused-deposition method (FDM) with different aperture size (1, 1.5, 2 mm) and collagen. Control is a collagen gel. B Number of macrophages accumulated in the hybrid scaffolds of collagen and various synthetic polymer (PLLA, PLGA(L), PLGA(H), PLA/CL, and PDLA after 2 months of subcutaneous implantations in mice.
(Parts of figure are adapted from [182] with permission)
