TY - RPRT TI - Continuous spinal anesthesia with hyperbaric bupivacaine: a dose-response analysis. AU - F W Burgess AU - M D Woiwood AU - R L Lutz AU - E J Walz AU - D E Perkins UR - https://pubmed.ncbi.nlm.nih.gov/2007107/ ID - 2007107 ER -