TY  - RPRT
TI  - Pre-emptive analgesia.
AU  - L Edmondson
PY  - 1993
DO  - 10.1111/j.1365-2044.1993.tb07445.x
UR  - https://pubmed.ncbi.nlm.nih.gov/8238848/
ID  - 8238848
ER  -