assertion  retraction  graph  subject    predicate    object                                                                                                                                                                      datatype    annotation
1          0           graph  DOID:2815  IAO:0000115  A central nervous system cancer that affects a cranial nerve, develops from schwann cells located_in cranial nerves, has_material_basis_in abnormally proliferating cells.  xsd:string  "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://link.springer.com/chapter/10.1007/978-3-642-02874-8_15""}]}"