. . _:vb50943887 . "disease_ontology"^^ . _:vb50943887 . . . _:vb50943887 . _:vb50943887 . "inflammatory bowel disease 21"^^ . "DOID:0110906"^^ . "An inflammatory bowel disease that has_material_basis_in variation in the chromosome region 18p11."^^ . "IBD21"@en . _:vb50943887 . "OMIM:612354"^^ .