TY  - RPRT
TI  - The failed back: a review.
AU  - C B Parry
AU  - F Girgis
AU  - B Moffat
AU  - A K Bhalla
PY  - 1988
DO  - 10.1177/014107688808100617
UR  - https://pubmed.ncbi.nlm.nih.gov/2969980/
ID  - 2969980
ER  -