_:vb50939634 . _:vb50939634 "url:https://www.ncbi.nlm.nih.gov/pubmed/2111584"^^ . _:vb50939634 . _:vb50939634 . _:vb50939634 . _:vb50939634 . _:vb50939634 "A cerebral amyloid angiopathy that has_material_basis_in an autosomal dominant mutation of APP on chromosome 21q21.3."^^ .