title: Constants for calculating ambient and directional dose equivalents from radionuclide point sources.
authors.affiliation: Department of Medical Physics, Tygerberg Hospital, Republic of South Africa.
authors.forename: W A
authors.initials: WA
authors.lastname: Groenewald
authors.forename: H J
authors.initials: HJ
authors.lastname: Wasserman
mesh_terms: D004735:Energy Transfer; D008433:Mathematics; D009683:Nuclear Medicine / Q000592:standards*; D011829:Radiation Dosage; D011834:Radiation Monitoring; D011868:Radioisotopes / Q000592:standards*
chemical_list: D011868:Radioisotopes