目的：比较不同直径加压螺纹钉内固定股骨颈骨折的效果。
Objective: To evaluate the effect of compression screws with different diameters on fixation strength of femoral neck fracture.
目的分析中空加压螺钉内固定治疗高龄股骨颈骨折患者的临床效果。
Objective To analyze the clinical effects of hollow compression screw internal fixation treating advanced age patients' femoral neck fracture.
目的探讨采用折断式加压螺钉内固定治疗股骨颈骨折疗效和术式关键。
Objective Study on the curative effect and key of fracture of neck of femur internal fixation with fracting pressure screw.
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