[
  {
    "assertion": 1,
    "retraction": 0,
    "graph": "graph",
    "subject": "ONTIE:0003654",
    "predicate": "IAO:0000115",
    "object": "An ELISA measuring geometric mean concentration of an IgG antibody against RBD in ELU/mL.",
    "datatype": "xsd:string",
    "annotation": ""
  }
]