Objective:To evaluate the stability of cervical spine after PCD (percutaneous cervical diskectomy).

目的：探讨经皮穿刺颈椎间盘切除术（PCD）对颈椎稳定性的影响。

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Objective to evaluate percutaneous cervical diskectomy (PCD) and chemonucleolysis (CNL) in treating cervical disk herniation.

目的评价经皮颈椎间盘切除术(PCD)和化学溶核(CNL)治疗颈椎间盘突出症的价值。

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