TY  - RPRT
TI  - Postoperative pain management.
AU  - H W Hopf
AU  - S Weitz
PY  - 1994
DO  - 10.1001/archsurg.1994.01420260014002
UR  - https://pubmed.ncbi.nlm.nih.gov/8304824/
ID  - 8304824
ER  -