title: Evaluation of the protease-antiprotease theory of human destructive lung disease.
mesh_terms: D005069:Evaluation Studies as Topic; D006801:Humans; D008168:Lung / Q000201:enzymology*; D010196:Pancreatic Elastase / Q000037:antagonists & inhibitors / Q000378:metabolism*; D010447:Peptide Hydrolases / Q000378:metabolism*; D011656:Pulmonary Emphysema / Q000201:enzymology / Q000209:etiology*; D012907:Smoking; D019896:alpha 1-Antitrypsin Deficiency
chemical_list: D010447:Peptide Hydrolases; D010196:Pancreatic Elastase