... 转子间骨折; 中空加压螺钉; 骨折固定术; 老年人 [gap=982]Key words】 Intertrochanter fracture; Hollow compression screws; Fracture fixation; Aged ...
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three hollow-compression-screws 双头空心加压螺钉
compression hollow screws 中空加压螺丝钉
hollow double head compression screws 中空双头螺纹加压钉
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