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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A prospective case series. ⋯ 4.
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Retrospective analysis. ⋯ 4.
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Retrospective study. ⋯ 4.
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Retrospective longitudinal cohort analysis of patients diagnosed in 2010, with continuous enrollment 6 months prior to and 12 months following the initial visit. ⋯ 3.