Spine
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Controlled, interventional, animal study. ⋯ NA.
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Multicenter Study
Clinical outcome in lumbar decompression surgery for spinal canal stenosis in the aged population: a prospective Swiss multicenter cohort study.
This is a prospective, multicenter cohort study including 8 medical centers in the metropolitan area of the Canton Zurich, Switzerland. ⋯ 3.
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Longitudinal cohort. ⋯ 2.
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An in vitro study examining factors produced by human mesenchymal stem cells on spine implant materials. ⋯ N/A.
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Retrospective cohort study. ⋯ 4.