Summary of Background Data. Chronic donor site pain and poor cosmesis have been the major deterrents in using iliac crest for long-segment spinal reconstructions.
背景资料概要：慢性供区疼痛和影响美观是阻碍应用髂骨修复长节段脊柱缺损的主要原因。
The segment flies a amused to hope the other parts of country hurtles toward him to, bump into his brisket of at the same time hands crest the chest that wore knife Chuo to enter him.
段飞喜出望外地向他冲去，撞入他怀中的同时双手顶着刀戳进了他的胸膛。
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