title: The configurations and the materials of the components of commercial coaxial or single-tube breathing circuits.
authors.forename: Sumio
authors.initials: S
authors.lastname: Amagasa
authors.forename: Sumihisa
authors.initials: S
authors.lastname: Aida
authors.forename: Zen'ichiro
authors.initials: Z
authors.lastname: Wajima
authors.forename: Norihumi
authors.initials: N
authors.lastname: Kuratani
mesh_terms: D004867:Equipment Design; D006801:Humans; D012121:Respiration, Artificial / Q000295:instrumentation*; D012122:Ventilators, Mechanical