title: Safety of the posterior approach to the brachial plexus.
authors.forename: Nigel T M
authors.initials: NT
authors.lastname: Jack
authors.forename: Mathieu
authors.initials: M
authors.lastname: Gielen
mesh_terms: D001917:Brachial Plexus; D006801:Humans; D009339:Needles; D009407:Nerve Block / Q000009:adverse effects* / Q000295:instrumentation / Q000379:methods*; D011187:Posture; D013118:Spinal Cord Diseases / Q000209:etiology