Chronic respiratory diseases-the new look in the Public Health Service.
D001991:Bronchitis / Q000175:diagnosis / Q000534:rehabilitation / Q000628:therapy; D002908:Chronic Disease; D003153:Community Health Services; D004646:Emphysema / Q000175:diagnosis / Q000534:rehabilitation / Q000628:therapy; D006801:Humans; D012140:Respiratory Tract Diseases; D012907:Smoking; D014481:United States; D014492:United States Public Health Service