RT Journal Article SR Electronic T1 Evidence-Based Reports—Is There Any Evidence? JF Regional Anesthesia & Pain Medicine JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP 1 OP 2 DO 10.1053/rapm.2003.50003 VO 28 IS 1 A1 Brown, David L. YR 2003 UL http://rapm.bmj.com/content/28/1/1.abstract