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The bone mineral density (BMD) of left femora was measured.
取左侧股骨测量骨密度(BMD)。
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Femora neck fracture; fracture fixation; Compress hollow screws.
股骨颈骨折;骨折固定术;中空加压螺丝钉。
Methods: Twelve matched pairs of human femora (mean age 64 years) were obtained.
方法:一共有12对股骨参与研究(平均年龄64岁)。
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