title: [Significance of He equilibration time as an index of uneven distribution of ventilation (author's transl)].
mesh_terms: D000328:Adult; D000368:Aged; D005260:Female; D006371:Helium; D006801:Humans; D008170:Lung Compliance; D008173:Lung Diseases, Obstructive / Q000503:physiopathology*; D008297:Male; D008875:Middle Aged; D012119:Respiration
chemical_list: D006371:Helium