"acquired von Willebrand syndrome"^^ . _:vb50944308 . "MEDDRA:10069495"^^ . "A blood coagulation disease characterized by development of a defect in clotting in the absence of previous bleeding symptoms, negative familial history, and occurrence in a relatively older age. Typically this develops secondarily to other disorders, such as lymphoproliferative, myeloproliferative, cardiovascular and autoimmune disorders."^^ . _:vb50944308 . "ORDO:99147"^^ . "SNOMEDCT_US_2021_09_01:234451005"^^ . "GARD:5573"^^ . "disease_ontology"^^ . "UMLS_CUI:C0272362"^^ . _:vb50944308 . _:vb50944308 . . . _:vb50944308 . "DOID:0111146"^^ . "AVWS"@en . .