title: Brachial plexus block: "best" approach and "best" evoked response--where are we?
authors.forename: Robert S
authors.initials: RS
authors.lastname: Weller
authors.forename: J C
authors.initials: JC
authors.lastname: Gerancher
mesh_terms: D001132:Arm / Q000294:innervation / Q000601:surgery; D001917:Brachial Plexus / Q000033:anatomy & histology; D006801:Humans; D009407:Nerve Block / Q000379:methods*