title: Papain-induced emphysema and the elimination of TiO2 particulates from the lungs.
mesh_terms: D000818:Animals; D004646:Emphysema / Q000139:chemically induced / Q000378:metabolism* / Q000473:pathology; D004781:Environmental Exposure; D008168:Lung / Q000378:metabolism*; D008657:Metabolic Clearance Rate; D010206:Papain; D010587:Phagocytosis; D051381:Rats; D012129:Respiratory Function Tests; D013997:Time Factors; D014025:Titanium / Q000378:metabolism*
chemical_list: D014025:Titanium; D010206:Papain