1. ICRP (International Commission on Radiological Protection): The handling, storage, use and disposal of unsealed radionuclides in hospitals and medical research establishments. ICRP Publication 25. Oxford: Pergamon Press, 1977.
2. NCRP (National Council on Radiation Protection and Measurements); Nuclear medicine - Factors influencing the choice and use of radionuclides in diagnosis and therapy. NCRP Report No. 70. Bethesda: NCRP, 1982.
3. McElroy NL: NCR Reports on Misadministrations and Announced Safety Inspections. J Nucl Med 1986; 27: 1102.
4. ICRU (International Commission on Radiation Units and Measurements): Determination of absorbed dose in a patient irradiated by beams of X or gamma rays in radiotherapy procedures. ICRU Report 24. Washington: ICRU, 1976.
5. Brahme A: Dosimetric Precision Requirements in Radiation Therapy. Acta Radiol Oncol 1984; 23: 379.