股骨头双极假体置换与空心钉内固定治疗80岁以上高龄股骨颈骨折的疗效比较
고골두쌍겁가체치환여공심정내고정치료80세이상고령고골경골절적료효비교
Clinical results of bipolar femoral head arthroplasty compared with hollow-pin internal fixation for treatment of femoral neck fracture in aged patients over 80 years
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