title: The evolution of the rubber endotracheal tube.
authors.forename: C M
authors.initials: CM
authors.lastname: Ball
authors.forename: R N
authors.initials: RN
authors.lastname: Westhorpe
mesh_terms: D049673:History, 20th Century; D006801:Humans; D007442:Intubation, Intratracheal / Q000266:history* / Q000295:instrumentation*; D012408:Rubber
chemical_list: D012408:Rubber