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(A) Transmitted light images of Van Gieson picrofuchsin-stained sections of rat calvarial defects implanted with BG and 3Co-BG scaffolds and the unfilled defects (control) at 8 weeks post-implantation. New bone appears red whereas the scaffold appears black. (B) Percent new bone area in the defects implanted with the scaffolds and in the unfilled defects. Mean SD; n =3. *Significant difference between groups (p<0.05).
