title: [Studies on early detection of obstructive impairments, especially concerning with the significance and normal values of flow-volume curve (Vmax) (author's transl)].
mesh_terms: D000328:Adult; D005260:Female; D005540:Forced Expiratory Flow Rates; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000175:diagnosis*; D008176:Lung Volume Measurements; D008297:Male; D008449:Maximal Expiratory Flow-Volume Curves; D008875:Middle Aged; D012907:Smoking / Q000503:physiopathology