title: The subject was radon.
authors.forename: K P
authors.initials: KP
authors.lastname: Farrell
mesh_terms: D006266:Health Education; D006801:Humans; D008396:Maryland; D009369:Neoplasms / Q000139:chemically induced* / Q000517:prevention & control; D011886:Radon / Q000009:adverse effects*
chemical_list: D011886:Radon