空心加压螺钉固定与人工股骨头置换治疗老年股骨颈骨折的疗效对比
공심가압라정고정여인공고골두치환치료노년고골경골절적료효대비
Therapeutic effects analysis of hollow screw internal fixation and femoral head arthroplasty for elderly patients with femoral neck fracture
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