Spine
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The insertional torque of pedicle screws using the cortical bone trajectory (CBT) was measured in vivo. ⋯ 2.
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Measurements of cervical and thoracolumbar human spinal cord (SC) geometry based on in vivo magnetic resonance imaging and investigation of morphological "invariants." ⋯ N/A.
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Cross-sectional study. ⋯ N/A.
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Retrospective case series. ⋯ 4.