title: Needle visualization critical for ultrasound-guided block success and patient safety.
authors.forename: Arup
authors.initials: A
authors.lastname: De
mesh_terms: D001917:Brachial Plexus / Q000000981:diagnostic imaging*; D006801:Humans; D007269:Injections, Intra-Arterial; D009339:Needles; D016602:Needlestick Injuries / Q000000981:diagnostic imaging / Q000209:etiology* / Q000517:prevention & control; D009407:Nerve Block / Q000009:adverse effects / Q000295:instrumentation / Q000379:methods*; D013348:Subclavian Artery / Q000000981:diagnostic imaging / Q000293:injuries*; D018084:Ultrasonography, Interventional