title: Sonography of scalene muscle anomalies for brachial plexus block.
authors.forename: Jens
authors.initials: J
authors.lastname: Kessler
authors.forename: Andrew T
authors.initials: AT
authors.lastname: Gray
mesh_terms: D000328:Adult; D001917:Brachial Plexus / Q000000981:diagnostic imaging; D006801:Humans; D007267:Injections / Q000009:adverse effects; D009334:Neck Muscles / Q000002:abnormalities / Q000000981:diagnostic imaging* / Q000294:innervation; D009407:Nerve Block / Q000009:adverse effects; D011446:Prospective Studies; D014463:Ultrasonography