assertion  retraction  graph  subject    predicate    object                                                  datatype    annotation
1          0           graph  DOID:4211  IAO:0000115  A meningioma that affects the posterior cranial fossa.  xsd:string  "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://pubmed.ncbi.nlm.nih.gov/33814376/""}]}"