title: Supraclavicular blocks and phrenic nerve paresis.
authors.forename: Philip
authors.initials: P
authors.lastname: Cornish
mesh_terms: D001917:Brachial Plexus / Q000000981:diagnostic imaging*; D006801:Humans; D009407:Nerve Block / Q000009:adverse effects / Q000379:methods*; D010291:Paresis / Q000517:prevention & control*; D010791:Phrenic Nerve; D014463:Ultrasonography