[The effect of various occupational exposures to microwave radiation on the concentrations of immunoglobulins and T lymphocyte subsets].

{
  "study_type": "cohort",
  "exposure": {
    "band": "microwave",
    "source": "occupational",
    "frequency_mhz": null,
    "sar_wkg": null,
    "duration": null
  },
  "population": "Workers occupationally exposed to microwave radiation (retransmission TV center workers, satellite communications center workers, and radar operators)",
  "sample_size": null,
  "outcomes": [
    "Immunoglobulin concentrations (IgG, IgA, IgM)",
    "Lymphocyte count",
    "T lymphocyte subsets (T8 cells)",
    "Clinical consequences (not specified)"
  ],
  "main_findings": "Among workers at a retransmission TV center and a satellite communications center, increased IgG and IgA concentrations and decreased lymphocyte and T8 cell counts were reported. Among radar operators, IgM concentration was elevated and total T8 cell count decreased. The abstract states these immunological changes did not cause clinical consequences.",
  "effect_direction": "mixed",
  "limitations": [
    "Sample size not reported in abstract",
    "Exposure metrics (frequency, intensity/SAR, duration) not reported",
    "Study design details and comparison group not described in abstract",
    "Clinical outcomes not specified beyond statement of no clinical consequences"
  ],
  "evidence_strength": "low",
  "confidence": 0.66,
  "peer_reviewed_likely": "yes",
  "keywords": [
    "microwave radiation",
    "occupational exposure",
    "radar operators",
    "satellite communications",
    "TV retransmission",
    "immunoglobulins",
    "IgG",
    "IgA",
    "IgM",
    "T lymphocyte subsets",
    "T8 cells"
  ],
  "suggested_hubs": [
    {
      "slug": "occupational-exposure",
      "weight": 0.9,
      "reason": "Assesses immune parameters in workers occupationally exposed to microwave radiation (TV retransmission, satellite communications, radar)."
    }
  ]
}