RT Journal Article SR Electronic T1 Fast Facts: Chronic Pain JF Regional Anesthesia & Pain Medicine JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP 363 OP 364 DO 10.1016/j.rapm.2007.06.002 VO 32 IS 4 A1 Prabhav K. Tella YR 2007 UL http://rapm.bmj.com/content/32/4/363.abstract AB