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. 2020 Jan 17;20:15. doi: 10.1186/s12893-020-0680-8

Fig. 3.

Fig. 3

Typical case in the rigid group: A old patient with two-segment degenerative lumbar disease (L3/4 and L4/5) underwent L3/4 and L4/5 decompression and rigid fixation. a-d X-ray and e and f MRI images of the patient before surgery; g-j X-ray and k and l MRI images of the patient at the last follow-up