TY  - RPRT
TI  - X-ray-translucent retractors in spine surgery. Technical note.
AU  - P Knöringer
PY  - 1986
DO  - 10.3171/jns.1986.64.3.0520
UR  - https://pubmed.ncbi.nlm.nih.gov/3950732/
ID  - 3950732
ER  -