Randomized Controlled Trial
Analgesia and effectiveness of levobupivacaine compared with ropivacaine in patients undergoing an axillary brachial plexus block.
AANA J. 2004 Oct 1;72(5):339-45.
Randomized Controlled Trial
Continuous infraclavicular brachial plexus block for postoperative pain control at home: a randomized, double-blinded, placebo-controlled study.
Anesthesiology. 2002 Jun 1;96(6):1297-304.
Randomized Controlled Trial
A multicentre trial comparing different concentrations of ropivacaine plus sufentanil with bupivacaine plus sufentanil for patient-controlled epidural analgesia in labour.
Eur J Anaesthesiol. 2004 Jan 1;21(1):38-45.