后路椎间融合加椎弓根螺钉内固定治疗腰椎滑脱症21例疗效分析
후로추간융합가추궁근라정내고정치료요추활탈증21례료효분석
Posterior Lumbar Interbody Fusion in the Treatment of 21 Patients with Lumbar Spon-dylolisthesis
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