title: Preprocedural color probe Doppler scanning before ultrasound-guided supraclavicular block.
authors.forename: Rosemary
authors.initials: R
authors.lastname: Snaith
authors.forename: John
authors.initials: J
authors.lastname: Dolan
mesh_terms: D001917:Brachial Plexus; D006801:Humans; D009407:Nerve Block / Q000295:instrumentation / Q000379:methods*; D018615:Ultrasonography, Doppler, Color / Q000379:methods*; D018084:Ultrasonography, Interventional / Q000379:methods