全髋关节置换与双极人工股骨头置换治疗老年股骨头缺血性坏死的效果比较
전관관절치환여쌍겁인공고골두치환치료노년고골두결혈성배사적효과비교
Effect comparison of total hip replacement and bipolar artificial femoral head replacement in treatment of elderly patients with femoral head avascular necrosis
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