title: Interactions of neutrophil elastase, serum trypsin inhibitory activity, and smoking history as risk factors for chronic obstructive pulmonary disease in patients with MM, MZ, and ZZ phenotypes for alpha-antitrypsin.
mesh_terms: D000328:Adult; D000704:Analysis of Variance; D005260:Female; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000201:enzymology / Q000209:etiology*; D008297:Male; D008875:Middle Aged; D009504:Neutrophils / Q000201:enzymology; D010196:Pancreatic Elastase / Q000378:metabolism*; D010641:Phenotype; D012129:Respiratory Function Tests; D012306:Risk; D012907:Smoking; D000515:alpha 1-Antitrypsin / Q000235:genetics*; D019896:alpha 1-Antitrypsin Deficiency
chemical_list: D000515:alpha 1-Antitrypsin; D010196:Pancreatic Elastase