assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:437 oio:hasDbXref MESH:D009157 xsd:string 1 0 graph DOID:437 IAO:0000115 An autoimmune disease of the nervous system that has_material_basis_in antibodies to acetylcholine receptors at the neuromuscular junction, has_symptom ptosis, has_symptom diplopia, has_symptom dysphagia, has_symptom dysarthria, has_symptom muscle weakness and has_symptom shortness of breath. xsd:string "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007637""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://www.ninds.nih.gov/Disorders/Patient-Caregiver-Education/Fact-Sheets/Myasthenia-Gravis-Fact-Sheet""}]}"