title: Early detection of obstructive lung diseases.
mesh_terms: D000403:Airway Resistance; D001991:Bronchitis / Q000175:diagnosis / Q000209:etiology; D006801:Humans; D008170:Lung Compliance; D008173:Lung Diseases, Obstructive / Q000175:diagnosis* / Q000209:etiology; D011656:Pulmonary Emphysema / Q000175:diagnosis / Q000209:etiology; D012123:Pulmonary Ventilation; D012907:Smoking / Q000150:complications; D013147:Spirometry; D014797:Vital Capacity; D014978:Xenon
chemical_list: D014978:Xenon