Objective to investigate the effect of single arm outer fix frame combined with autogenous bone marrow grafting for opened comminuted fracture at distal tibia and fibula.
目的：探讨单臂外固定架结合自体骨髓移植治疗胫腓骨远端开放性粉碎骨折的疗效。
It consists of outer layer sealing constant temperature jacket, middle layer objective sleeve and inner layer as lens frame to partition and fix optical lens elements.
它由外层密封恒温外套、中间层镜筒、内层为分隔固定光学透镜元件的透镜框组件组成。
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