TY  - RPRT
TI  - Comment: opioid-induced muscle activity.
AU  - J L Pereira
AU  - E D Bruera
PY  - 1996
DO  - 10.1177/106002809603000931
UR  - https://pubmed.ncbi.nlm.nih.gov/8876879/
ID  - 8876879
ER  -