title: Current status of small airways disease.
mesh_terms: D005540:Forced Expiratory Flow Rates; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000145:classification / Q000175:diagnosis* / Q000503:physiopathology; D008176:Lung Volume Measurements; D012123:Pulmonary Ventilation; D012907:Smoking