RT Journal Article SR Electronic T1 Ropivacaine vs. Ropivacaine-Clonidine for Caudals in Children JF Regional Anesthesia & Pain Medicine JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP 81 OP 81 DO 10.1136/rapm-00115550-199924031-00081 VO 24 IS Suppl 1 A1 P. De Negri A1 C. Visconti A1 G. Ivani A1 P. Mastronardi A1 P. De Vivo YR 1999 UL http://rapm.bmj.com/content/24/Suppl_1/81.abstract AB