CHRONIC PULMONARY FIBROSIS AND BRONCHITIS.
D001991:Bronchitis; D006801:Humans; D011658:Pulmonary Fibrosis; D012907:Smoking; D014116:Toxicology; D006113:United Kingdom; D014481:United States
BRONCHITIS; GREAT BRITAIN; PULMONARY FIBROSIS; SMOKING; TOXICOLOGIC REPORT; UNITED STATES