RT Journal Article SR Electronic T1 Severe Lumbar Pain and Epidural Anesthesia JF Regional Anesthesia: The Journal of Neural Blockade in Obstetrics, Surgery, & Pain Control JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP 461 OP 462 DO 10.1136/rapm-00115550-199520050-00020 VO 20 IS 5 A1 Ostheimer, Gerard W. YR 1995 UL http://rapm.bmj.com/content/20/5/461.abstract AB