title: [Practicability of a quick helium-mixing procedure for estimation of residual volume by measurement of density (author's transl)].
mesh_terms: D003720:Densitometry / Q000379:methods; D006371:Helium; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000175:diagnosis; D008176:Lung Volume Measurements / Q000379:methods*; D012115:Residual Volume / Q000379:methods*
chemical_list: D006371:Helium
vernacular_title: Praktikabilität einer schnellen Helium-Mischmethode zur Bestimmung des Residualvolumens mittels Dichtemessung.