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Kriegel, et al.
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Figure 5. (A) X-ray images every 2 weeks after surgery of the different groups. (B) µCt images processed with Osirix 4 and 8 weeks after
surgery and quantitative analyses (BV/TV) 4 and 8 weeks after surgery. (C) After 4 weeks, the BV/TV ratio was highest when PLA cylinders
were modified with BMP-7 (**P < 0.01). After 8 weeks, the BV/TV ratio was peaking for PLA cylinders modified with BSP or BMP-7 in
comparison to empty defects, empty PLA cylinders, and PLA cylinders modified with collagen only (***P < 0.005; ****P < 0.001).

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