title: Emphysema and pneumoconiosis. An experimental study on their interrelationship.
mesh_terms: D000818:Animals; D003031:Coal / Q000009:adverse effects; D006224:Cricetinae; D004195:Disease Models, Animal; D004391:Dust / Q000009:adverse effects; D004646:Emphysema / Q000209:etiology* / Q000473:pathology; D006168:Guinea Pigs; D010206:Papain; D011009:Pneumoconiosis / Q000209:etiology* / Q000473:pathology; D011791:Quartz / Q000633:toxicity; D051381:Rats
chemical_list: D003031:Coal; D004391:Dust; D011791:Quartz; D010206:Papain