RT Journal Article SR Electronic T1 Vascular Effects of S(−) Bupivacaine, RS(±) Bupivacaine and Ropivacaine on Isolated Strips of Human Umbilical Vein: Preliminary Results. JF Regional Anesthesia: The Journal of Neural Blockade in Obstetrics, Surgery, & Pain Control JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP 65 OP 65 DO 10.1136/rapm-00115550-199722021-00065 VO 22 IS Suppl 2 A1 Lilian Femandes A1 Maria P B Simonetti YR 1997 UL http://rapm.bmj.com/content/22/Suppl_2/65.abstract AB