1. (1996) Radiological protection and safety in medicine. A report of the International Commission on Radiological Protection. Ann ICRP 26(2):1–47
2. (2001) Diagnostic reference levels in medical imaging: review and additional advice. Ann ICRP 31(4):33–52
3. Rehani MM (2015) Limitations of diagnostic reference level (DRL) and introduction of acceptable quality dose (AQD). Br J Radiol 88(1045):20140344
4. Official Journal of the European Union (2014) Council Directive 2013/59/Euratom of 5 December 2013 laying down basic safety standards for protection against the dangers arising from exposure to ionising radiation, and repealing Directives 89/618/Euratom, 90/641/Euratom, 96/29/Euratom, 97/43/Euratom and 2003/122/ Euratom. Official Journal of the Euroopean Union
5. European commission (2017) European study on clinical diagnostic reference levels for X-ray medical imaging. ENER/D3/2016–282-2.; Available via
https://etendering.ted.europa.eu/cft/cft-display.html?cftId=2061
. Accessed 30 June 2019