Health hazards associated with elevated levels of indoor radon--Pennsylvania.
D000393:Air Pollutants / Q000032:analysis*; D000396:Air Pollutants, Radioactive / Q000009:adverse effects / Q000032:analysis*; D006798:Housing; D006801:Humans; D008175:Lung Neoplasms / Q000209:etiology; D009381:Neoplasms, Radiation-Induced; D010414:Pennsylvania; D011886:Radon / Q000009:adverse effects / Q000032:analysis*; D012306:Risk; D014501:Uranium
D000393:Air Pollutants; D000396:Air Pollutants, Radioactive; D014501:Uranium; D011886:Radon