Spine
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Randomized Controlled Trial Comparative Study
Intrathecal Versus Intravenous Morphine in Minimally Invasive Posterior Lumbar Fusion: A Blinded Randomized Comparative Prospective Study.
A blinded, randomized, comparative prospective study. ⋯ 2.
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Randomized Controlled Trial
Collar Fixation is not Mandatory after Cervical Laminoplasty: A Randomized Controlled Trial.
Prospective randomized controlled study. ⋯ 2.
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A retrospective study. ⋯ 4.
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Prospective cohort study. ⋯ 2.
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A retrospective review. ⋯ 3.