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. 2017 Nov 9;12:169. doi: 10.1186/s13018-017-0669-x

Fig. 4.

Fig. 4

Measured T2 values from regions of interest (ROIs) in the nucleus pulposus plotted over the L3–L4 to L6–S1 disc levels from sagittal mid-axial images of rats of different ages. Comparison of T2 values between the different lumbar levels revealed differences statistically with age (P < 0.05, respectively) (L3–L4 represent the intervertebral disc between the third and the fourth lumbar vertebra, and so on)