Initial Clinical Results of the activ-L® Lumbar Total Disc Replacement:A Prospective Study with 1 year follow-up.- Dirk A. Brücher, Dept. of Orthopedics and Traumatology, Karlsruhe , Germany
- Christof Müller, Dept. of Orthopedics and Traumatology, Karlsruhe , Germany
- Rolando Garcia, Orthopedic Care Center , Aventura , Florida (USA)
- James J. Yue, Dept. of Orthopedics & Rehabilitation, Yale,New Haven, CT(USA)
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