title: Old habits, the circle system and short procedures.
authors.forename: C G
authors.initials: CG
authors.lastname: Pollock
mesh_terms: D000764:Anesthesia, Closed-Circuit; D018685:Anesthetics, Inhalation / Q000008:administration & dosage*; D004334:Drug Administration Schedule; D006801:Humans
chemical_list: D018685:Anesthetics, Inhalation