Radon survey seen as misleading by some scientists.
Kerr
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D004781:Environmental Exposure; D008175:Lung Neoplasms / Q000453:epidemiology / Q000209:etiology; D009381:Neoplasms, Radiation-Induced / Q000453:epidemiology; D011834:Radiation Monitoring; D011886:Radon / Q000009:adverse effects / Q000032:analysis*; D014481:United States; D014484:United States Environmental Protection Agency
D011886:Radon