Spine
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Randomized Controlled Trial
Does Systemic Administration of Parathyroid Hormone After Noninstrumented Spinal Fusion Surgery Improve Fusion Rates and Fusion Mass in Elderly Patients Compared to Placebo in Patients With Degenerative Lumbar Spondylolisthesis?
Prospective, randomized, double-blinded, placebo-controlled clinical trial. ⋯ 1.
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Retrospective observational cohort study. ⋯ 3.
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Retrospective analysis. ⋯ 4.
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A retrospective study. ⋯ 3.
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A retrospective analysis of a patient-reported outcomes database from a single institution from December 2016 to April 2017. ⋯ 3.