title: Apparatus for the fractional sampling of a single expiration.
authors.forename: G H
authors.initials: GH
authors.lastname: ARMITAGE
authors.forename: W M
authors.initials: WM
authors.lastname: ARNOTT
authors.forename: A C
authors.initials: AC
authors.lastname: PINCOCK
mesh_terms: D019069:Cell Respiration; D045853:Exhalation; D007753:Laboratories / Q000295:instrumentation*; D012119:Respiration / Q000502:physiology*