TY  - RPRT
TI  - Functional disability scales for back pain.
AU  - J A Kopec
AU  - J M Esdaile
PY  - 1995
DO  - 10.1097/00007632-199509000-00021
UR  - https://pubmed.ncbi.nlm.nih.gov/8560347/
ID  - 8560347
ER  -