Spine
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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.
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Retrospective review of prospectively collected database. ⋯ 3.
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Retrospective case analyses. ⋯ 4.
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Retrospective study. ⋯ 3.