TY  - RPRT
TI  - Refractory chronic pain.
AU  - Michael R Clark
AU  - Todd S Cox
PY  - 2002
DO  - 10.1016/s0193-953x(03)00053-4
UR  - https://pubmed.ncbi.nlm.nih.gov/11912945/
ID  - 11912945
ER  -