TY  - RPRT
TI  - Opioid cost: a global problem.
AU  - Eduardo D Bruera
AU  - Liliana De Lima
PY  - 2005
DO  - 10.1177/026921630501900612
UR  - https://pubmed.ncbi.nlm.nih.gov/16218164/
ID  - 16218164
ER  -