RT Journal Article SR Electronic T1 Radiological Documentation of the Intrathecal Position of 28 gauge Spinal Catheters and its Effect on the Clinical Outcome of Continuous Spinal 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 6 OP 6 DO 10.1136/rapm-00115550-199318021-00006 VO 18 IS Suppl 2 A1 Standl, Th. A1 Beck, H. YR 1993 UL http://rapm.bmj.com/content/18/Suppl_2/6.abstract AB