TY  - RPRT
TI  - Quantifying meaningful changes in pain.
AU  - W I Campbell
AU  - C C Patterson
PY  - 1998
DO  - 10.1046/j.1365-2044.1998.00294.x
UR  - https://pubmed.ncbi.nlm.nih.gov/9534632/
ID  - 9534632
ER  -