title: Proteases, antiproteases, and emphysema.
mesh_terms: D001798:Blood Proteins / Q000172:deficiency*; D006801:Humans; D010447:Peptide Hydrolases / Q000378:metabolism*; D011480:Protease Inhibitors / Q000378:metabolism*; D011656:Pulmonary Emphysema / Q000201:enzymology*; D000515:alpha 1-Antitrypsin
chemical_list: D001798:Blood Proteins; D011480:Protease Inhibitors; D000515:alpha 1-Antitrypsin; D010447:Peptide Hydrolases