_:vb50941890 . "ORDO:442582"^^ . _:vb50941890 . . . "disease_ontology"^^ . _:vb50941890 . "DOID:0080934"^^ . "immunoglobulin heavy chain amyloidosis"@en . "Heavy chain amyloidosis"^^ . "Ig heavy-chain\u2013associated amyloidosis"^^ . . . "Amyloidosis derived from immunoglobulin heavy chain"^^ . _:vb50941890 . . "An amyloidosis that is characterized by the aggregation and deposition of amyloid fibrils composed of monoclonal immunoglobulin heavy-chain fragments, usually produced by a plasma cell neoplasm."^^ . "AH amyloidosis"^^ . _:vb50941890 .