title: Alpha 1--antitrypsin enzyme deficiency associated with duodenal ulcer--report of a family.
mesh_terms: D000293:Adolescent; D000328:Adult; D004381:Duodenal Ulcer / Q000097:blood / Q000150:complications* / Q000235:genetics; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010375:Pedigree; D010641:Phenotype; D000515:alpha 1-Antitrypsin / Q000032:analysis / Q000235:genetics; D019896:alpha 1-Antitrypsin Deficiency
chemical_list: D000515:alpha 1-Antitrypsin