Casati, A Interscalene brachial plexus anaesthesia with 0.5%, 0.75% or 1% ropivacaine: a double-blind comparison with 2% mepivacaine. [electronic resource] - British journal of anaesthesia Dec 1999 - 872-5 p. digital Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial ISSN: 0007-0912 Standard No.: 10.1093/bja/83.6.872 doi Subjects--Topical Terms: AdolescentAdultAgedAmides--administration & dosageAnesthesia, LocalAnesthetics, Local--administration & dosageBrachial PlexusDouble-Blind MethodFemaleHumansMaleMepivacaine--administration & dosageMiddle AgedNerve Block--methodsProspective StudiesRopivacaineShoulder--surgery