1. International Commission on Radiological Protection. Avoidance of radiation injuries from medical interventional procedures, ICRP publication 85.Ann ICRP2000; 30:2, 10–14
2. Patient and staff dose during CT guided biopsy, drainage and coagulation
3. Commission of the European Communities.European guidelines on quality criteria for computed tomography,EUR 1262. Luxemburg, Belgium: Office for Official Publications of the European Communities, 1999
4. International Electrotechnical Commission.Medical electrical equipment. Part 2: particular requirements for the safety of X-ray equipment for computed tomography.IEC 60601-2-44. Geneva, Switzerland: International Electrotechnical Commission,1999
5. Jones DG, Shrimpton PC.Survey of CT practice in the UK. Part 3: normalized organ doses calculated using Monte Carlo techniques.NRPB-R250. Chilton, UK: National Radiological Protection Board, 1991