Spine
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Randomized Controlled Trial Multicenter Study
Lumbar Total Disc Replacement for Discogenic Low Back Pain: Two-year Outcomes of the activL Multicenter Randomized Controlled IDE Clinical Trial.
A prospective, multicenter, randomized, controlled, investigational device exemption (IDE) noninferiority trial. ⋯ 2.
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Multicenter Study
Post-Operative Perfection: Ceiling Effects and Lack of Discrimination with Both SRS-22 and 24 Outcomes Instruments In Adolescent Idiopathic Scoliosis Patients.
Review of a prospective database registry. ⋯ 3.