RT Journal Article SR Electronic T1 Cautious Optimism on Reducing Spinal Headache With Spinal Catheters JF Regional Anesthesia & Pain Medicine JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP 299 OP 299 DO 10.1016/j.rapm.2003.12.022 VO 29 IS 3 A1 Lambert, Donald YR 2004 UL http://rapm.bmj.com/content/29/3/299.1.abstract AB