Emphysema and chronic bronchitis: clinical manifestations and their physiologic significance.
D001991:Bronchitis / Q000175:diagnosis*; D002908:Chronic Disease; D003490:Cyanosis; D006333:Heart Failure / Q000209:etiology; D006801:Humans; D006976:Hypertension, Pulmonary; D000860:Hypoxia / Q000209:etiology; D011656:Pulmonary Emphysema / Q000175:diagnosis*