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Warren, Daniel T., Pedro A. Ricart-Hoffiz, Tate M. Andres, Christian M. Hoelscher, Themistocles S. Protopsaltis, Jeffrey A. Goldstein, ja John A. Bendo. "Retrospective Cost Analysis of Cervical Laminectomy and Fusion Versus Cervical Laminoplasty in the Treatment of Cervical Spondylotic Myelopathy." Int J Spine Surg 2013.

Warren, Daniel T., et al. "Retrospective Cost Analysis of Cervical Laminectomy and Fusion Versus Cervical Laminoplasty in the Treatment of Cervical Spondylotic Myelopathy." Int J Spine Surg 2013.