TY  - RPRT
TI  - Unexpected problems with patient controlled analgesia.
AU  - M Farmer
AU  - N J Harper
PY  - 1992
DO  - 10.1136/bmj.304.6826.574-b
UR  - https://pubmed.ncbi.nlm.nih.gov/1559078/
ID  - 1559078
ER  -