RT Journal Article SR Electronic T1 Combined Spinal/Epidural Anaesthesia Needle-Through-Needle Versus Double-Segment Technique JF Regional Anesthesia & Pain Medicine JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP 83 OP 83 DO 10.1136/rapm-00115550-199823031-00083 VO 23 IS Suppl 1 A1 V. Tagariello A1 G. Fanelli A1 A. Casati A1 A. D'Ambrosio A1 P. De Negri A1 F. Tarantino YR 1998 UL http://rapm.bmj.com/content/23/Suppl_1/83.abstract AB