{
  "id": "mesh_tree_number",
  "name": "MeSH tree number",
  "status": "draft",
  "doc": "Position of a descriptor in the MeSH hierarchy: a letter and two digits for the top category, then groups of three digits separated by dots, such as C04.557. One descriptor can have several tree numbers.",
  "categories": [
    {
      "id": "medical",
      "name": "Medical/pharma identifiers"
    },
    {
      "id": "science",
      "name": "Scientific"
    }
  ],
  "langs": [
    {
      "id": "common",
      "name": "Common to most languages"
    }
  ],
  "is_pii": false,
  "classification": "categorical",
  "regexp": "^[A-Z]\\d{2}(?:\\.\\d{3})*$",
  "examples": [
    {
      "value": "A07.231.114.056",
      "description": "aorta"
    },
    {
      "value": "C10.228.662.262.249.750",
      "description": "Huntington's disease"
    },
    {
      "value": "A07",
      "description": "circulatory system"
    }
  ],
  "mappings": {
    "wikidata": "P672"
  },
  "links": [
    {
      "type": "wikipedia",
      "url": "https://en.wikipedia.org/wiki/Medical_Subject_Headings"
    },
    {
      "type": "wikidata",
      "url": "https://www.wikidata.org/wiki/Property:P672"
    }
  ],
  "type": "datatype",
  "wikidata_property": "P672",
  "translations": {}
}