title: X-rays: half-value layers 0.01-8.0 mm Al (approx. 6-150 kV peak potential difference).
authors.affiliation: Regional Medical Physics Department, Newcastle General Hospital, Newcastle upon Tyne.
authors.forename: R M
authors.initials: RM
authors.lastname: Harrison
mesh_terms: D000535:Aluminum; D004560:Electricity; D006801:Humans; D011874:Radiometry / Q000592:standards; D011879:Radiotherapy Dosage / Q000592:standards*; D012015:Reference Standards; D012542:Scattering, Radiation; D014964:X-Ray Therapy / Q000592:standards*
chemical_list: D000535:Aluminum