RT Journal Article SR Electronic T1 Early Detection of Intravascular Injection During Ultrasound-Guided Supraclavicular Brachial Plexus Block JF Regional Anesthesia & Pain Medicine JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP 278 OP 279 DO 10.1136/rapm-00115550-200805000-00020 VO 33 IS 3 A1 VadeBoncouer, Tim R. A1 Weinberg, Guy L. A1 Oswald, Sarah A1 Angelov, Felix YR 2008 UL http://rapm.bmj.com/content/33/3/278.abstract AB