assertion  retraction  graph  subject    predicate    object                                                                                                      datatype    annotation
1          0           graph  DOID:2877  IAO:0000115  A larynx cancer that has_material_basis_in abnormally proliferating cells derives_from embryonic mesoderm.  xsd:string  "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://www.sciencedirect.com/science/article/pii/S1726490109701893""}]}"