An Economic Evaluation of Bupivacaine Plus Fentanyl Versus Ropivacaine Alone for Patient-Controlled Epidural Analgesia After Total-Knee Replacement Procedure: A Double-Blinded Randomized Study
An Economic Evaluation of Bupivacaine Plus Fentanyl Versus Ropivacaine Alone for Patient-Controlled Epidural Analgesia After Total-Knee Replacement Procedure: A Double-Blinded Randomized Study