目的：探讨骨基质明胶（BMG）防治人工关节无菌性松动的可行性。

Objective: To prevent aseptic loosening after artificial joint replacement by bone matrix gelatin(BMG).

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目的探讨带血管蒂髂骨瓣复合骨基质明胶移植治疗青壮年股骨颈骨折不愈合的疗效。

Objective To investigate the therapeutic effect of vascular pedicle bone graft and compound bone matrical gelatin (co BMG) in treatment of nonunion of femoral neck fracture.

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目的探讨载药骨基质明胶(BMG)修复节段性骨缺损及防治术后感染的可能性。

Objective To explore the possibility of repair long segmental bone defects and preventing infection with cefazolin loaded bone matrix gelatin (c BMG).

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