Radioactive emissions and radon.
D003252:Construction Materials / Q000009:adverse effects; D004781:Environmental Exposure; D006801:Humans; D008175:Lung Neoplasms / Q000209:etiology; D008452:Maximum Allowable Concentration; D009381:Neoplasms, Radiation-Induced / Q000209:etiology; D011848:Radioactive Pollutants / Q000009:adverse effects*; D011886:Radon / Q000009:adverse effects*
D011848:Radioactive Pollutants; D011886:Radon