Spine
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Randomized Controlled Trial Multicenter Study
Efficacy of a Standalone Microporous Ceramic vs. Autograft in Instrumented Posterolateral Spinal Fusion; a Multicenter, Randomized, Intra-patient Controlled, Non-inferiority Trial.
in the rest of the article written as patient- and observer-blinded, multicenter, randomized, intrapatient controlled, noninferiority trial. ⋯ 1.
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Randomized Controlled Trial
Neck-Related Headache in Patients With Cervical Disc Disease After Surgery and Physiotherapy: A 1-Year Follow-up of a Prospective Randomized Study.
A prospective randomized multicenter trial. ⋯ 2.
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Multicenter Study
Impact of Chronic DMARD therapy in Patients with Rheumatoid Arthritis undergoing Surgery of the Craniovertebral Junction: A Multi-center Retrospective Study.
A multi-centered retrospective review from five institutions. ⋯ 3.
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Multicenter Study
Cost-Utility Analysis of rhBMP-2 Use in Adult Spinal Deformity Surgery.
Economic modeling of data from a multicenter, prospective registry. ⋯ 2.
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Multicenter Study Clinical Trial
Weekly Teriparatide versus Bisphosphonate for Bone Union during Six Months after Multi-Level Lumbar Interbody Fusion for Osteoporotic Patients: A Multicenter, Prospective, Randomized Study.
Multicenter, prospective randomized study. ⋯ 1.