title: [General assessment of impaired ventilatory function by means of principal component analysis (author's transl)].
mesh_terms: D000368:Aged; D000704:Analysis of Variance; D006801:Humans; D008176:Lung Volume Measurements; D008297:Male; D008875:Middle Aged; D012123:Pulmonary Ventilation; D012129:Respiratory Function Tests; D012829:Silicosis / Q000503:physiopathology*; D013147:Spirometry