_:vb50948974 . _:vb50948974 "url:http://ghr.nlm.nih.gov/condition/diamond-blackfan-anemia"^^ . _:vb50948974 "A congenital hypoplastic anemia that is characterized by anemia (low red blood cell counts) with decreased erythroid progenitors in the bone marrow and has_material_basis_insufficient levels of red blood cells due to bone marrow dysfunction."^^ . _:vb50948974 . _:vb50948974 . _:vb50948974 . _:vb50948974 . _:vb50948974 "url:http://www.omim.org/entry/105650"^^ . _:vb50948974 . _:vb50948974 . _:vb50948974 "url:http://en.wikipedia.org/wiki/Diamond%E2%80%93Blackfan_anemia"^^ . _:vb50948974 "url:http://www.cdc.gov/ncbddd/dba/"^^ .