Spine
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Observational Study
Incidence of Cancer in Spinal Deformity Patients Receiving High-Dose (≥40 mg) Bone Morphogenetic Protein (rhBMP-2).
Level III, Retrospective observational study. ⋯ 3.
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Retrospective study. ⋯ 3.
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Cross-sectional imaging study. ⋯ 4.
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Descriptive cross-sectional study. ⋯ 2.
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In vitro laboratory study. ⋯ N/A.