Chronic bronchitis. Oxidant damage by leukocytes.
D001991:Bronchitis / Q000473:pathology*; D002908:Chronic Disease; D005609:Free Radicals; D006801:Humans; D007962:Leukocytes / Q000378:metabolism*; D010100:Oxygen / Q000502:physiology*; D012907:Smoking
D005609:Free Radicals; D010100:Oxygen