• Two-Year Results of a Randomized Controlled Clinical Trial Comparing Pro-Disc-C and Anterior Cervical Discectomy and Fusion.  

    Daniel B. Murrey, MD; Michael E. Janssen, MD; Susan M. Odum, Med, CCRC; Jon R. Gottlieb, MD; Leo R. Spector, MD; Bruce V. Darden, MD, SAS Journal

  • Clinical and Motion Relevancy of Heterotopic Ossification in Cervical Total Disc Replacement: A Prospective, Multicenter Clinical Trial of the ProDisc®-C.  

    Delamarter R, Murrey D, Janssen M, Goldstein J, Zigler J, Tay B, Darden B, Journal of Neurosurgery: Spine