Spine
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Randomized Controlled Trial
Multimodal Nutritional Management in Primary Lumbar Spine Surgery: A Randomized Controlled Trial.
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Retrospective study. ⋯ 3.
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A retrospective study. ⋯ 4.
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Retrospective analysis. ⋯ 3.
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Observational, anatomical, cadaveric study. ⋯ 5.