Epidural opioid requirements.
de Leon-Casasola
O A
OA
Lema
M J
MJ
D015360:Analgesia, Epidural / Q000295:instrumentation*; D006801:Humans; D004091:Hydromorphone / Q000008:administration & dosage*; D007260:Infusion Pumps
D004091:Hydromorphone