["Open mouth breathing" in chronic pulmonary emphysema].
D000368:Aged; D002908:Chronic Disease; D006801:Humans; D008176:Lung Volume Measurements; D008297:Male; D011656:Pulmonary Emphysema / Q000000981:diagnostic imaging / Q000503:physiopathology*; D011859:Radiography; D012119:Respiration