[Electromagnetic fields in melting divisions of nickel production].

{
  "study_type": "exposure_assessment",
  "exposure": {
    "band": "ELF",
    "source": "occupational",
    "frequency_mhz": null,
    "sar_wkg": null,
    "duration": "during working shifts"
  },
  "population": null,
  "sample_size": null,
  "outcomes": [
    "Workplace electromagnetic field levels (alternating electric fields, alternating magnetic fields at industrial frequencies, and direct magnetic fields)"
  ],
  "main_findings": "Electromagnetic conditions were evaluated in nickel production melting divisions and at a transformer substation during working shifts. The induction of magnetic fields varied widely, and magnetic field influence was described as accidental and an additional factor affecting the human body.",
  "effect_direction": "unclear",
  "limitations": [
    "No quantitative exposure values reported in the abstract",
    "No health outcomes or clinical endpoints described",
    "Population characteristics and sample size not provided"
  ],
  "evidence_strength": "insufficient",
  "confidence": 0.66,
  "peer_reviewed_likely": "yes",
  "keywords": [
    "electromagnetic fields",
    "occupational exposure",
    "industrial frequency",
    "alternating electric field",
    "alternating magnetic field",
    "static magnetic field",
    "nickel production",
    "melting division",
    "transformer substation"
  ],
  "suggested_hubs": [
    {
      "slug": "occupational-exposure",
      "weight": 0.9,
      "reason": "Assesses workplace EMF exposure in industrial nickel production and a transformer substation."
    }
  ]
}