RT Journal Article SR Electronic T1 Huber Needle and Tuohy Catheter JF Regional Anesthesia: The Journal of Neural Blockade in Obstetrics, Surgery, & Pain Control JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP 252 OP 253 DO 10.1136/rapm-00115550-199520030-00015 VO 20 IS 3 A1 Eldor, Joseph YR 1995 UL http://rapm.bmj.com/content/20/3/252.abstract AB