title: [Spirometric lungfunction investigations.  III.  The correlation between the magnitude of the residual air and the usable part of the vital capacity].
authors.forename: G
authors.initials: G
authors.lastname: VAN VEEN
authors.forename: J J
authors.initials: JJ
authors.lastname: HIRDES
mesh_terms: D006801:Humans; D013147:Spirometry; D013990:Tidal Volume; D014797:Vital Capacity