title: Health services research: what is it and what has it done for anaesthesia and critical care?
authors: Gillian
authors: G
authors: Campbell
authors: Andrew
authors: A
authors: Smith
mesh_terms: D000758:Anesthesia / Q000379:methods*; D000776:Anesthesiology / Q000379:methods; D003422:Critical Care / Q000379:methods*; D003625:Data Collection / Q000379:methods; D006302:Health Services Research / Q000379:methods*; D006801:Humans; D012107:Research Design