Progr. No. 8

The difference of occurring superior adjacent segment pathology after lumbar posterolateral fusion by using two different pedicle screw insertion techniques in 9-year minimum follow-up

Category	Adult Th-L, degenerative, Deformity
Author	Dingjun Hao
co authors	Baorong He, Liang Yan
Institution	Spine Surgery, Xi''an, China
Poster	Click to view poster