Method: Sixty-six patients undergone hip arthroplasty of similar fracture of femoral neck were randomly divided into two groups, the study were prospectively matched control and double-blinded.
英
美
释义
方法:66名老年股骨颈骨折行髋关节置换术的患者随机分成2组,进行前瞻、对照、双盲研究。
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