1 dataset

{
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  "query": {
    "text": null,
    "operator": "and",
    "filters": [
      {
        "field": "concept",
        "op": "descendant_of",
        "value": "anzsrc:field:320312",
        "evidence": null
      }
    ],
    "evidence_policy": "standard"
  },
  "sort": null,
  "page": {
    "size": 25
  }
}