PT - JOURNAL ARTICLE AU - Brockway, Michael AU - Bannister, John AU - McKeown, Dermot AU - Wildsmith, John TI - A five way comparison of extradural ropivacaine and bupivacaine AID - 10.1136/rapm-00115550-199015011-00020 DP - 1990 Jan 01 TA - Regional Anesthesia: The Journal of Neural Blockade in Obstetrics, Surgery, & Pain Control PG - 20--20 VI - 15 IP - Suppl 1 4099 - http://rapm.bmj.com/content/15/Suppl_1/20.short 4100 - http://rapm.bmj.com/content/15/Suppl_1/20.full SO - Reg Anesth Pain Med1990 Jan 01; 15