Shinichi Onuma

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The isthmic diameter of the vertebral pedicle is an important dimension affecting the stability of transpedicular screwing. The isthmic diameter of the pedicle was measured in the lumbar spines of 18 Japanese cadavers (10 male, 8 female) by axial computed tomographic (CT) scan and directly with calipers. In L1 and L2, there was no significant difference(More)
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