Yang, Chun Woo A clinical comparison of continuous interscalene brachial plexus block with different basal infusion rates of 0.2% ropivacaine for shoulder surgery. [electronic resource] - Korean journal of anesthesiology Jul 2010 - 27-33 p. digital Publication Type: Journal Article ISSN: 2005-7563 Standard No.: 10.4097/kjae.2010.59.1.27 doi