title: Spirometric lungfunction investigations.  I.  A rapid constant-volume method for the determination of the functional residual air.
authors.forename: G
authors.initials: G
authors.lastname: VAN VEEN
authors.forename: N G M
authors.initials: NG
authors.lastname: ORIE
authors.forename: J J
authors.initials: JJ
authors.lastname: HIRDES
mesh_terms: D019069:Cell Respiration; D012119:Respiration; D013147:Spirometry