title: Third generation supraglottic airway devices: an undefined concept and misused term. Time for an updated classification of supraglottic airway devices.
authors.affiliation: Bath, UK.
authors.forename: T M
authors.initials: TM
authors.lastname: Cook
mesh_terms: D004867:Equipment Design / Q000145:classification; D006801:Humans; D007442:Intubation, Intratracheal / Q000295:instrumentation*