PFNA与PFNAⅡ治疗老年不稳定性股骨转子间骨折的疗效比较
PFNA여PFNAⅡ치료노년불은정성고골전자간골절적료효비교
Comparison of proximal femoral nail anti-rotation(PFNA) and PFNAⅡ in treatment of unstable femoral trochanteric fractures in elderly people
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