RT Journal Article SR Electronic T1 A Comparison of Lidocaine and Ropivacaine as Indicators of Intravascular Injection for Epidural Anesthesia. JF Regional Anesthesia & Pain Medicine JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP 110 OP 110 DO 10.1136/rapm-00115550-199823031-00110 VO 23 IS Suppl 1 A1 Michael D. Goodrich A1 Fred J. Spielman A1 David C. Mayer A1 Douglas J. Forrester A1 Kim Clemons YR 1998 UL http://rapm.bmj.com/content/23/Suppl_1/110.abstract AB