United States. Cancer risk from domestic radon.
D006801:Humans; D008175:Lung Neoplasms / Q000139:chemically induced* / Q000453:epidemiology; D011886:Radon / Q000009:adverse effects*; D012307:Risk Factors; D012907:Smoking / Q000009:adverse effects; D014481:United States; D014484:United States Environmental Protection Agency
D011886:Radon