TY  - RPRT
TI  - Back related outcome assessment instruments.
AU  - Urs Müller
AU  - Christoph Röder
AU  - Charles G Greenough
PY  - 2005
DO  - 10.1007/s00586-005-1054-8
UR  - https://pubmed.ncbi.nlm.nih.gov/16292633/
ID  - 16292633
ER  -