title: Abnormalities of small airways.
mesh_terms: D000328:Adult; D000403:Airway Resistance; D001980:Bronchi / Q000033:anatomy & histology; D005260:Female; D005540:Forced Expiratory Flow Rates; D006801:Humans; D008168:Lung / Q000503:physiopathology; D008173:Lung Diseases, Obstructive / Q000175:diagnosis* / Q000503:physiopathology; D008176:Lung Volume Measurements; D008875:Middle Aged; D010100:Oxygen / Q000097:blood; D011650:Pulmonary Alveoli / Q000502:physiology; D012129:Respiratory Function Tests; D012907:Smoking / Q000503:physiopathology; D014797:Vital Capacity
chemical_list: D010100:Oxygen