Spine
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Case series. ⋯ 3.
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Comparative Study
Safety and Accuracy of Freehand Versus Navigated Iliac Screws: Results From 222 Screw Placements.
Retrospective review. ⋯ 4.
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Multicenter Study Observational Study
Anterior Trunk Mobility Does Not Predict Disability in Elderly Women with Acute Low Back Pain: Brazilian Back Complaints in the Elders (BACE-Brazil) Study Results.
Cross-sectional, ancillary study of an international multicenter epidemiological study. ⋯ N/A.
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Institutional review board-approved research using human annulus cells cocultured with F11 nerve cells. ⋯ N/A.