title: Clinical efficacy of the brachial plexus block via the posterior approach.
authors.forename: Toby N
authors.initials: TN
authors.lastname: Weingarten
authors.forename: Mark F B
authors.initials: MF
authors.lastname: Hurdle
authors.forename: Marc A
authors.initials: MA
authors.lastname: Huntoon
mesh_terms: D001917:Brachial Plexus; D002574:Cervical Vertebrae / Q000033:anatomy & histology*; D005471:Fluoroscopy; D006801:Humans; D009407:Nerve Block / Q000009:adverse effects* / Q000379:methods*