title: [Studies on the serum alpha 1 antitrypsin (alpha 1 AT) in healthy people and patients with respiratory diseases].
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010641:Phenotype; D012140:Respiratory Tract Diseases / Q000201:enzymology*; D000515:alpha 1-Antitrypsin / Q000097:blood*; D019896:alpha 1-Antitrypsin Deficiency
chemical_list: D000515:alpha 1-Antitrypsin