title: Ulcerative colitis--genetic features.
mesh_terms: D003093:Colitis, Ulcerative / Q000235:genetics*; D003424:Crohn Disease / Q000235:genetics; D005802:Genes, MHC Class II; D006684:HLA-DR Antigens; D015809:HLA-DR7 Antigen; D006801:Humans
chemical_list: D006684:HLA-DR Antigens; D015809:HLA-DR7 Antigen