Chronic obstructive emphysema.
D000142:Acidosis, Respiratory / Q000209:etiology; D001945:Breathing Exercises; D001993:Bronchodilator Agents / Q000627:therapeutic use; D002245:Carbon Dioxide / Q000378:metabolism; D006801:Humans; D006935:Hypercapnia / Q000503:physiopathology; D000860:Hypoxia / Q000209:etiology; D008168:Lung / Q000502:physiology / Q000503:physiopathology; D005082:Physical Exertion; D011652:Pulmonary Circulation; D011656:Pulmonary Emphysema / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000188:drug therapy / Q000503:physiopathology / Q000601:surgery; D011660:Pulmonary Heart Disease / Q000209:etiology / Q000503:physiopathology; D011859:Radiography; D012137:Respiratory System / Q000033:anatomy & histology; D013147:Spirometry
D001993:Bronchodilator Agents; D002245:Carbon Dioxide