To discuss the effect of surgical decompression, bone allograft fusion and internal fixation for the treatment of severe lumbar spinal stenosis.

探讨减压、植骨融合及内固定治疗严重腰椎管狭窄症的疗效。

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Objective. To compare the infection rate after posterior spinal fusion with unit rod instrumentation with or without gentamicin-impregnated allograft bone in children with cerebral palsy (CP).

目的：比较钉棒内固定系统和钉棒内固定系统加含庆大霉素的同种异体骨在儿童脑瘫脊柱后路融合术后的感染发生率。

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