Spine
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Cross-sectional analysis of the American College of Surgeons' National Surgical Quality Improvement Program database between 2005 and 2011. ⋯ 3.
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Prospective cohort study and systematic literature review. ⋯ 2.
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Cadaveric study to accurately measure lumbar neuroforaminal area and height throughout the flexion-extension range of motion (ROM). ⋯ N/A.
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Prospective in vivo rodent model of bone morphogenetic protein (BMP)-induced inflammation. ⋯ N/A.