title: Factors for calculating the attenuation of barium plaster.
authors.forename: J
authors.initials: J
authors.lastname: Williams
authors.forename: D
authors.initials: D
authors.lastname: Sutton
mesh_terms: D001464:Barium / Q000737:chemistry*; D006801:Humans; D011835:Radiation Protection / Q000379:methods*; D011859:Radiography / Q000592:standards*; D013679:Technology, Radiologic
chemical_list: D001464:Barium