title: Clinical usefulness of pulmonary function tests.
mesh_terms: D000328:Adult; D000368:Aged; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D008168:Lung / Q000503:physiopathology; D008173:Lung Diseases, Obstructive / Q000175:diagnosis* / Q000503:physiopathology; D008297:Male; D008875:Middle Aged; D012119:Respiration; D012129:Respiratory Function Tests / Q000379:methods*