前后位，X线检查心脏投影方法。心脏、大血管有左、右两个边缘。
目的探讨腰椎前后位、侧位骨密度值之间的相关性。
Objective Researching the correlation between A-P and lat eral BMD of lumbar spine.
如果对骨折进行大量前后位固定的话，螺钉的位置安置也是问题。
Placement of an anteroposterior lag screw can also be complicated by screw traffic if there are a large number of screws fixing the primary fracture.
方法对73例绝经后女性腰椎前后位、侧位骨密度值，作相关性分析。
Methods Analyzing 73 menopausal women 's A-P and lateral BMD of lumbar spine to find their correlation.
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