title: The corner pocket revisited.
authors.forename: Richard
authors.initials: R
authors.lastname: Brull
authors.forename: Vincent W S
authors.initials: VW
authors.lastname: Chan
mesh_terms: D001340:Autonomic Nerve Block / Q000295:instrumentation / Q000379:methods*; D001917:Brachial Plexus / Q000000981:diagnostic imaging*; D006801:Humans; D018084:Ultrasonography, Interventional / Q000295:instrumentation / Q000379:methods*