title: Is the double-injection technique really needed?
authors.forename: Markus
authors.initials: M
authors.lastname: Risch
authors.forename: Stephan
authors.initials: S
authors.lastname: Blumenthal
authors.forename: Alain
authors.initials: A
authors.lastname: Borgeat
mesh_terms: D006801:Humans; D007267:Injections / Q000379:methods; D009407:Nerve Block / Q000295:instrumentation* / Q000379:methods*; D012584:Sciatic Nerve / Q000502:physiology