RT Journal Article SR Electronic T1 Intrathecal Clonidine Reduces Acute Pain More than IV Clonidine JF Regional Anesthesia & Pain Medicine JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP 28 OP 28 DO 10.1136/rapm-00115550-199823031-00028 VO 23 IS Suppl 1 A1 James C. Eisenach A1 David D. Hood A1 Regina Curry YR 1998 UL http://rapm.bmj.com/content/23/Suppl_1/28.abstract AB