title: Cow dung smoke--A causative factor for chronic bronchitis & emphysema.
mesh_terms: D000818:Animals; D001991:Bronchitis / Q000209:etiology*; D002908:Chronic Disease; D004646:Emphysema / Q000209:etiology*; D005260:Female; D006801:Humans; D008168:Lung / Q000473:pathology; D008297:Male; D008372:Manure; D011663:Pulmonary Surfactants / Q000032:analysis; D051381:Rats; D012737:Sex Factors; D012906:Smoke / Q000009:adverse effects*
chemical_list: D008372:Manure; D011663:Pulmonary Surfactants; D012906:Smoke