title: The ultrasound-guided block needle holster.
authors: Katya H
authors: KH
authors: Chiong
authors: Raymond
authors: R
authors: Graber
mesh_terms: D000776:Anesthesiology / Q000193:education*; D006801:Humans; D009339:Needles; D009407:Nerve Block / Q000295:instrumentation* / Q000379:methods; D010525:Peripheral Nerves / Q000000981:diagnostic imaging*; D018084:Ultrasonography, Interventional