assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:3969 IAO:0000115 A differentiated thyroid gland carcinoma that is characterized by the small mushroom shape of the tumor which has a stem attached to the epithelial layer and arises from the follicular cells of the thyroid gland. xsd:string "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007638""},{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007645""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://cancergenome.nih.gov/cancersselected/thyroid""},{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://en.wikipedia.org/wiki/Papillary_thyroid_cancer""},{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://www.ncbi.nlm.nih.gov/pubmed/21455196""}]}"