title: Incipient pulmonary emphysema. IV. Clinical aspects. Report.
mesh_terms: D001991:Bronchitis / Q000175:diagnosis; D003937:Diagnosis, Differential; D006801:Humans; D011656:Pulmonary Emphysema / Q000175:diagnosis* / Q000503:physiopathology; D012119:Respiration; D012129:Respiratory Function Tests