TY  - RPRT
TI  - Postoperative pain relief using epidural morphine.
AU  - J L Graham
AU  - R King
AU  - W McCaughey
PY  - 1980
DO  - 10.1111/j.1365-2044.1980.tb03796.x
UR  - https://pubmed.ncbi.nlm.nih.gov/7386834/
ID  - 7386834
ER  -