assertion  retraction  graph  subject    predicate    object                                                datatype    annotation
1          0           graph  DOID:6938  IAO:0000115  An intraocular retinoblastoma that effects children.  xsd:string  "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://www.ncbi.nlm.nih.gov/pubmed/29737052""}]}"