TY  - RPRT
TI  - Postoperative analgesia.
AU  - C A Warfield
AU  - G R Warfield
PY  - 1984
DO  - 10.1080/21548331.1984.11702841
UR  - https://pubmed.ncbi.nlm.nih.gov/6144690/
ID  - 6144690
ER  -