title: ICRU operational quantities.
authors.forename: D T
authors.initials: DT
authors.lastname: Bartlett
authors.forename: G
authors.initials: G
authors.lastname: Dietze
mesh_terms: D006801:Humans; D038622:Internationality; D008954:Models, Biological; D017410:Practice Guidelines as Topic; D011829:Radiation Dosage; D011835:Radiation Protection / Q000592:standards*; D011874:Radiometry / Q000592:standards*