title: [Use of the FEVsec/theortical FEVsec ratio in the evaluation of respiratory insufficiency in chronic obstructive bronchopneumopathies].
mesh_terms: D000328:Adult; D005541:Forced Expiratory Volume; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000150:complications*; D008875:Middle Aged; D012131:Respiratory Insufficiency / Q000175:diagnosis*; D013147:Spirometry
vernacular_title: Utilisation du rapport V.E.M.S./V.E.M.S. théorique.  pour l'appréciation de l'insuffisance respiratoire dans les bronchopneumopathies chroniques obstructives