[ { "assertion": 1, "retraction": 0, "graph": "graph", "subject": "DOID:11887", "predicate": "IAO:0000115", "object": "An ureteral benign neoplasm that derives_from smooth muscle cells.", "datatype": "xsd:string", "annotation": "{\"dce:type\":[{\"datatype\":\"_IRI\",\"meta\":\"owl:Axiom\",\"object\":\"obo:ECO_0007645\"}],\"oio:hasDbXref\":[{\"datatype\":\"xsd:string\",\"meta\":\"owl:Axiom\",\"object\":\"url:https://www.ncbi.nlm.nih.gov/pubmed/23894911\"}]}" } ]