TY  - RPRT
TI  - Spinal opioids.
AU  - A McHutchon
PY  - 1999
DO  - 10.1046/j.1365-2044.1999.01186.x
UR  - https://pubmed.ncbi.nlm.nih.gov/10541713/
ID  - 10541713
ER  -