Re : He B, Yan L, Guo H, et al. The difference in superior adjacent segment pathology after lumbar posterolateral fusion by using 2 different pedicle screw insertion techniques in 9-year minimum follow-up. Spine (Phila Pa 1976) 2014;39:1093-8
Spine (Phila Pa 1976). 2014 Nov 15;39(24):E1493.
doi: 10.1097/BRS.0000000000000618.