RT Journal Article SR Electronic T1 Continuous spinal anesthesia: a dose response analysis with hyperbaric bupivacaine JF Regional Anesthesia: The Journal of Neural Blockade in Obstetrics, Surgery, & Pain Control JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP 44 OP 44 DO 10.1136/rapm-00115550-199015011-00044 VO 15 IS Suppl 1 A1 Burgess, F W A1 Walz, E J A1 Perkins, D A1 Woiwood, M A1 Lutz, R L YR 1990 UL http://rapm.bmj.com/content/15/Suppl_1/44.abstract AB