title: Ultrasound in regional anesthesia: where should the "focus" be set?
authors.forename: Brian D
authors.initials: BD
authors.lastname: Sites
authors.forename: Joseph M
authors.initials: JM
authors.lastname: Neal
authors.forename: Vincent
authors.initials: V
authors.lastname: Chan
mesh_terms: D000765:Anesthesia, Conduction / Q000295:instrumentation / Q000379:methods*; D000779:Anesthetics, Local / Q000008:administration & dosage*; D001917:Brachial Plexus / Q000000981:diagnostic imaging; D006801:Humans; D007267:Injections / Q000379:methods; D012584:Sciatic Nerve / Q000033:anatomy & histology / Q000000981:diagnostic imaging; D018084:Ultrasonography, Interventional
chemical_list: D000779:Anesthetics, Local