{
  "id-zmienna": 977,
  "nazwa": "Medical certificates",
  "nazwa-skrocona": "Medical certificates",
  "tagi": [
    {
      "id-tag": 1185,
      "nazwa-tag": "health care"
    },
    {
      "id-tag": 1196,
      "nazwa-tag": "occupational medicine"
    },
    {
      "id-tag": 1198,
      "nazwa-tag": "medical certificate"
    }
  ],
  "pojecia": [
    {
      "id-pojecie": 4171,
      "nazwa-pojecie": "Medical certificates issued",
      "definicja": "<p>Medical certificates issued for the purposes provided for in the Labor Code on the basis of a medical examination and assessment of exposures occurring at the workplace.</p>",
      "data-poczatku-pojecie": "1999-07-01",
      "data-konca-pojecie": "9999-12-31"
    }
  ],
  "wyjasnienia-metodologiczne": {
    "wyjasnienia-metodologiczne-tresc": "<p>Data come from the Institute of Occupational Medicine in Łódź.</p>",
    "notki": []
  },
  "przekroje": [
    {
      "id-przekroj": 2,
      "nazwa-przekroj": "Poland, voivodeships",
      "szereg-czasowy": "2010 - 2024",
      "id-czestotliwosc": 1,
      "nazwa-czestotliwosc": "Year",
      "aktualizacja-ostatnia": "2025-12-15",
      "aktualizacja-kolejna": "2026-12-16"
    }
  ],
  "zestawy": [
    {
      "id-zestaw": 321,
      "symbol-zestaw": "MZ-35A",
      "nazwa-zestaw": "report of a doctor carrying out preventive examinations of the employed",
      "id-gestor": 84,
      "nazwa-gestor": "Ministry of Health "
    }
  ],
  "badania": [
    {
      "id-badanie": 121,
      "symbol-badanie": "1.29.07",
      "temat-badanie": "Health care infrastructure and its functioning"
    }
  ],
  "akty-prawne": [
    {}
  ],
  "jednostki": [
    {
      "id-jednostka": 796,
      "nazwa-jednostki": "Social Research Department"
    }
  ]
}