title: Regional anesthesia and analgesia: an idea whose time has returned.
authors.forename: B G
authors.initials: BG
authors.lastname: Covino
mesh_terms: D000765:Anesthesia, Conduction / Q000639:trends*; D006801:Humans; D010506:Periodicals as Topic; D012955:Societies, Medical; D014481:United States