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X-ray examination after 8, 16 and 24 weeks of implantation in vivo. (a–f) X-ray examination of samples of the nHAC/CGF group (a–c) and nHAC group (d–f), indicating new bone formation at the defects. (g) Integrated optical of the nHAC/CGF group and nHAC group. Ruler length is 8 mm. n = 3 in each group; * p < 0.05, ** p < 0.01.
