title: BJA 2014; An overview.
authors.affiliation: Anaesthesia and Critical Care, Division of Clinical Neurosciences, Queen's Medical Centre, University of Nottingham, Nottingham NG7 2UK, UK.
authors.forename: A S
authors.initials: AS
authors.lastname: Chana
authors.affiliation: Anaesthesia and Critical Care, Division of Clinical Neurosciences, Queen's Medical Centre, University of Nottingham, Nottingham NG7 2UK, UK ravi.mahajan@nottingham.ac.uk.
authors.forename: R P
authors.initials: RP
authors.lastname: Mahajan
mesh_terms: D000776:Anesthesiology / Q000379:methods*; D006801:Humans; D010506:Periodicals as Topic; D019990:Perioperative Care / Q000379:methods; D006113:United Kingdom