Spine
-
Longitudinal study of the measurement properties of a brief outcome instrument. ⋯ 2.
-
Bibliometric review of the literature. ⋯ 3.
-
Meta Analysis Comparative Study
Can we convert between outcome measures of disability for chronic low back pain?
Retrospective database analysis. ⋯ 2.
-
Review Meta Analysis
Can bacterial infection by low virulent organisms be a plausible cause for symptomatic disc degeneration? A systematic review.
Systematic review and meta-analysis. ⋯ 2.
-
Randomized Controlled Trial Multicenter Study Comparative Study
Long-term Outcomes of the US FDA IDE Prospective, Randomized Controlled Clinical Trial Comparing PCM Cervical Disc Arthroplasty With Anterior Cervical Discectomy and Fusion.
Prospective, multicenter, randomized clinical trial. ⋯ 1.