TY  - RPRT
TI  - Spinal instability.
AU  - R J Hacker
AU  - S J McGirr
PY  - 1999
DO  - 10.3171/jns.1999.91.4.0719
UR  - https://pubmed.ncbi.nlm.nih.gov/10507403/
ID  - 10507403
ER  -