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Schematic illustration of 3D printing of structure (A). Illustration of animal experiments for an implant over rabbit ear (B), autologs cartilage (Ca-b) cell printed structure (Cc), defect site on the rabbit ear (Cd), and defect creation using biopsy of 8 mm diameter (Ce), implantation of the grafts into the cartilage defect of rabbit model (Cf). Reproduce with permission from (Park et al., 2017) under Right Link share.
