1. RCR, NRPB. Patient dose reduction in diagnostic radiology. Documents of the NRPB, Vol. 1, No. 3.Chilton: NRPB, 1990.
2. Dosimetry Working Party of the Institute of Physical Sciences in Medicine. National protocol for patient dose measurements in diagnostic radiology.Chilton: NRPB, 1992.
3. Introduction
4. ICRP. Radiological protection and safety in medicine, ICRP Publication 73.Annals of the ICRP26, No. 2, 1996.
5. Hart D, Hillier MC, Wall BF, Shrimpton PC, Bungay D. Doses to patients from medical X-ray examinations in the UK—1995 review, NRPB-R289.Chilton: NRPB, 1996.