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Resolution: standard / high Figure 6.
Comparison of cage contact ratio among constructs with various lordotic contours during compression. Effects of monoaxial and polyaxial pedicle screws are illustrated respectively. * significant difference from data of 0° group (p < 0.05). § significant difference from data of 21° group (p < 0.05).
Chen et al. BMC Musculoskeletal Disorders 2007 8:28 doi:10.1186/1471-2474-8-28 |