title: Letter: Alpha-1-antitrypsin deficiency.
mesh_terms: D000367:Age Factors; D002648:Child; D006801:Humans; D008661:Metabolism, Inborn Errors / Q000150:complications / Q000628:therapy; D011379:Prognosis; D000515:alpha 1-Antitrypsin
chemical_list: D000515:alpha 1-Antitrypsin