Suzuki, Manzo Ropivacaine produces sensory blockade in the lumbar sacral region more frequently than mepivacaine in lower thoracic epidural anesthesia. [electronic resource] - Journal of anesthesia 2004 - 250-6 p. digital Publication Type: Clinical Trial; Controlled Clinical Trial; Journal Article; Randomized Controlled Trial ISSN: 0913-8668 Standard No.: 10.1007/s00540-004-0262-4 doi Subjects--Topical Terms: AdultAmides--pharmacologyAnesthesia, EpiduralAnesthetics, Local--pharmacologyDouble-Blind MethodFemaleHumansLumbosacral PlexusMaleMepivacaine--pharmacologyMiddle AgedNerve BlockRopivacaine