1. United Nations Scientific Committee on the Effects of Atomic Radiation. UNSCEAR 2020/2021 Report to the General Assembly with Scientific Annexes, Volume I. Scientific annex A. Evaluation of medical exposure to ionizing radiation. New York: UNCSEAR 2022. https://www.unscear.org/unscear/en/publications/2020_2021_1.html. Assessed 16.11.2022.
2. International Commission on Radiological Protection. The 2007 Recommendations of the International Commission on Radiological Protection. ICRP Publication 103, Ann ICRP. 2007;37(2-4):1-332.
3. International Atomic Energy Agency. Radiation Protection and Safety of Radiation Sources: International Basic Safety Standards, IAEA Safety Series No. GSR Part 3, IAEA, Vienna, 2014. https://www.iaea.org/publications/8930/radiation-protection-and-safety-of-radiation-sources-international-basic-safety-standards. Assessed 16.11.2022.
4. International Commission on Radiological Protection. Diagnostic Reference Levels in Medical Imaging. Publication 135. Ann. ICRP, 46 (1), SAGE, 2017.