髋关节置换术和空心加压螺钉内固定术治疗老年股骨颈骨折的效果比较
관관절치환술화공심가압라정내고정술치료노년고골경골절적효과비교
A comparative study of the effects of total hip replacement and internal fixation surgical treatments on the elderly patients with femoral neck fracture
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