title: Upper trunk block: description of a supraclavicular approach of upper trunk at the points of its division.
authors.affiliation: Barcelona, Spain.
authors.forename: O
authors.initials: O
authors.lastname: Aguirre
authors.affiliation: Barcelona, Spain.
authors.forename: L
authors.initials: L
authors.lastname: Tobos
authors.affiliation: Madrid, Spain.
authors.forename: M A
authors.initials: MA
authors.lastname: Reina
authors.affiliation: Barcelona, Spain xavi.sala.blanch@gmail.com.
authors.forename: X
authors.initials: X
authors.lastname: Sala-Blanch
mesh_terms: D001917:Brachial Plexus / Q000033:anatomy & histology / Q000187:drug effects*; D006801:Humans; D009407:Nerve Block / Q000379:methods*; D012785:Shoulder Joint / Q000033:anatomy & histology / Q000601:surgery*