title: Introduction: value of regional anesthesia.
authors.forename: Thomas M
authors.initials: TM
authors.lastname: Halaszynski
mesh_terms: D000765:Anesthesia, Conduction / Q000009:adverse effects / Q000639:trends*; D000776:Anesthesiology / Q000639:trends; D006801:Humans; D059408:Pain Management; D019990:Perioperative Care; D013038:Specialization