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Group 1 (sham). (a and b) Macroscopic and radiographic aspects (3 months). (c and d) H and E, ×40 and ×200 (3 months). (e and f) Macroscopic and radiographic aspects (6 months). (g and h) H and E, ×40 and ×200 (6 months). cf = Connective fibers; nv = Neovascularization
