title: Ultrasound refraction artifact is unlikely a response to duplication of brachial plexus.
authors.forename: David B
authors.initials: DB
authors.lastname: Auyong
authors.forename: Lucy S
authors.initials: LS
authors.lastname: Hostetter
authors.forename: Stuart A
authors.initials: SA
authors.lastname: Grant
mesh_terms: D016477:Artifacts; D001917:Brachial Plexus / Q000002:abnormalities* / Q000000981:diagnostic imaging*; D006801:Humans; D007090:Image Interpretation, Computer-Assisted; D014463:Ultrasonography