title: The evolution of federal x-ray protection programs.
authors.affiliation: Center for Devices and Radiological Health, Food and Drug Administration, Rockville, MD 20852.
authors.forename: M
authors.initials: M
authors.lastname: Barnett
mesh_terms: D049673:History, 20th Century; D006801:Humans; D011835:Radiation Protection / Q000266:history* / Q000331:legislation & jurisprudence / Q000592:standards; D014481:United States