title: A modified circle breathing system.
authors.forename: F P
authors.initials: FP
authors.lastname: Marshall
authors.forename: B W
authors.initials: BW
authors.lastname: Perriss
authors.forename: V J
authors.initials: VJ
authors.lastname: Rodriquez-Gomez
authors.forename: J F
authors.initials: JF
authors.lastname: Searle
mesh_terms: D000769:Anesthesia, Inhalation / Q000295:instrumentation*; D004867:Equipment Design; D006801:Humans; D010100:Oxygen / Q000008:administration & dosage
chemical_list: D010100:Oxygen