TY  - RPRT
TI  - Epidural morphine.
AU  - C B Collier
PY  - 1981
DO  - 10.1111/j.1365-2044.1981.tb08608.x
UR  - https://pubmed.ncbi.nlm.nih.gov/7468967/
ID  - 7468967
ER  -