There were osteogenous cells at 4 weeks and plenty of lamellar bone tissues at 12 weeks in tissue section after surgery.
组织学切片观察术后4周实验组有成骨样细胞，至术后12周时可见大量的板层状骨组织；
There were osteogenous cells at 4 weeks and plenty of lamellar bone tissues at 12 weeks in tissue section after surgery.
组织学切片观察术后4周实验组有成骨样细胞，至术后12周时可见大量的板层状骨组织；
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