[Biological effects of mobile phone electromagnetic field on chick embryo (risk assessment using the mortality rate)].

{
  "study_type": "animal",
  "exposure": {
    "band": "RF",
    "source": "mobile phone",
    "frequency_mhz": null,
    "sar_wkg": null,
    "duration": "during embryonic development (21 days)"
  },
  "population": "Chicken embryos (chick embryo)",
  "sample_size": null,
  "outcomes": [
    "Embryo mortality rate during incubation"
  ],
  "main_findings": "Chicken embryos exposed to EMF from a GSM mobile phone during 21 days of embryonic development had higher mortality during incubation (75%) compared with controls (16%).",
  "effect_direction": "harm",
  "limitations": [
    "Sample size not reported in abstract.",
    "Exposure metrics (e.g., frequency, SAR, power density) not reported in abstract.",
    "Randomization/blinding and other design details not described in abstract."
  ],
  "evidence_strength": "very_low",
  "confidence": 0.72,
  "peer_reviewed_likely": "yes",
  "keywords": [
    "GSM",
    "mobile phone",
    "RF EMF",
    "chick embryo",
    "chicken embryo",
    "embryonic development",
    "mortality",
    "incubation"
  ],
  "suggested_hubs": []
}