TY  - RPRT
TI  - Does epidural fentanyl decrease the efficacy of epidural morphine after cesarean delivery?
AU  - R D Vincent
AU  - D H Chestnut
AU  - W W Choi
AU  - P L Ostman
AU  - J N Bates
PY  - 1992
UR  - https://pubmed.ncbi.nlm.nih.gov/1567032/
ID  - 1567032
ER  -