RT Journal Article SR Electronic T1 Single dose, Randomized, Double Blind, Double Dummy Cross Over Comparison of Epidural and Intravenous Clonidine JF Regional Anesthesia: The Journal of Neural Blockade in Obstetrics, Surgery, & Pain Control JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP 8 OP 8 DO 10.1136/rapm-00115550-199318041-00009 VO 18 IS Suppl 4 A1 D Carroll A1 A Jadad A1 V King A1 P Wiffen A1 CJ Glynn A1 HJ McQuay YR 1993 UL http://rapm.bmj.com/content/18/Suppl_4/8.abstract AB