[ { "assertion": 1, "retraction": 0, "graph": "graph", "subject": "DOID:1910", "predicate": "IAO:0000115", "object": "A vaginal cancer that is a primitive, malignant, germ cell tumor with histological features recapitulating various development phases of the normal yolk sac.", "datatype": "xsd:string", "annotation": "{\"oio:hasDbXref\":[{\"datatype\":\"xsd:string\",\"meta\":\"owl:Axiom\",\"object\":\"url:https://www.ncbi.nlm.nih.gov/pubmed/30814243\"}]}" } ]