title: Radon hazard.
authors.forename: V H
authors.initials: VH
authors.lastname: Houk
mesh_terms: D000393:Air Pollutants / Q000633:toxicity*; D000396:Air Pollutants, Radioactive / Q000633:toxicity*; D000818:Animals; D006801:Humans; D011886:Radon; D012907:Smoking; D014481:United States; D014484:United States Environmental Protection Agency
chemical_list: D000393:Air Pollutants; D000396:Air Pollutants, Radioactive; D011886:Radon