title: Early protection and radiological physics.
authors.forename: F W
authors.initials: FW
authors.lastname: Spiers
mesh_terms: D004739:England; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D011835:Radiation Protection / Q000266:history*; D011859:Radiography / Q000266:history; D011874:Radiometry / Q000266:history*; D011879:Radiotherapy Dosage / Q000266:history; D014481:United States