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. Author manuscript; available in PMC: 2012 Mar 1.
Published in final edited form as: Spine (Phila Pa 1976). 2011 Mar 1;36(5):372–377. doi: 10.1097/BRS.0b013e3181d10401

Figure 3. MRI grades of uninjured control discs.

Figure 3

Panel A on the left shows MRI grades according to Pfirman et al. Panel B on the right is a representative T2-weighted MR image of a goat spine. Error bar stands for standard error of the mean, * indicates statistical significance (p≤0.05) compared to L2/3. Note that a higher score indicates more severe degeneration.