[
  {
    "assertion": 1,
    "retraction": 0,
    "graph": "graph",
    "subject": "obo:SYMP_0000731",
    "predicate": "IAO:0000115",
    "object": "A urinary system symptom that is characterized by a loss of excretory function in one or both kidneys, leading to retention of nitrogenous waste products from the blood.",
    "datatype": "xsd:string",
    "annotation": "{\"oio:hasDbXref\":[{\"datatype\":\"xsd:string\",\"meta\":\"owl:Axiom\",\"object\":\"url:https://www.ncbi.nlm.nih.gov/books/NBK519012/\"}]}"
  }
]