title: Failure to visualise the superior laryngeal nerve using ultrasound imaging.
authors.forename: H
authors.initials: H
authors.lastname: Vaghadia
authors.forename: R
authors.initials: R
authors.lastname: Lawson
authors.forename: R
authors.initials: R
authors.lastname: Tang
authors.forename: A
authors.initials: A
authors.lastname: Sawka
mesh_terms: D006801:Humans; D007823:Laryngeal Nerves / Q000000981:diagnostic imaging*; D009407:Nerve Block / Q000379:methods*; D018084:Ultrasonography, Interventional