title: [Studies in twins to prove the immunogenetic heterogeneity of ulcer disease].
authors.forename: P M
authors.initials: PM
authors.lastname: Sapronenkov
authors.forename: S N
authors.initials: SN
authors.lastname: Mel'nikov
authors.forename: V V
authors.initials: VV
authors.lastname: Rezvan
mesh_terms: D000328:Adult; D017668:Age of Onset; D000368:Aged; D004200:Diseases in Twins / Q000235:genetics*; D004381:Duodenal Ulcer / Q000235:genetics* / Q000276:immunology*; D006680:HLA Antigens / Q000235:genetics; D006801:Humans; D008297:Male; D008875:Middle Aged; D010641:Phenotype
chemical_list: D006680:HLA Antigens