Research Article
[Retracted] Treatment of Upper Cervical Spinal Cord Injury (Unstable C1-C2) by Direct Visualization and Nailing Technique and the Advantages of Early MRI
Figure 3
The vertebral body where the posterior arch <4 mm. (a) The safe zone of inserting the screw; (b) the nail opening the cortical bone before inserting the screw.
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(b) |