title: Letter: Defect in alpha1-antitrypsin deficiency.
mesh_terms: D001692:Biological Transport; D001797:Blood Protein Electrophoresis; D002675:Child, Preschool; D004646:Emphysema / Q000209:etiology; D006023:Glycoproteins / Q000096:biosynthesis; D006801:Humans; D008099:Liver / Q000378:metabolism; D008107:Liver Diseases / Q000235:genetics; D008661:Metabolism, Inborn Errors; D009439:Neuraminidase; D011485:Protein Binding; D000515:alpha 1-Antitrypsin
chemical_list: D006023:Glycoproteins; D000515:alpha 1-Antitrypsin; D009439:Neuraminidase