The Ionising Radiations Regulations 1999.SI 1999/3232. London: Stationery Office; 2000.
3.
PendleburyME, HornerK, EatonKA, editors. Selection Criteria for Dental Radiography. 2nd ed. London: Faculty of General Dental Practitioners (UK); 2004.
4.
British Dental Association (BDA).Radiation in Dentistry. Advice Sheet A11. London: BDA; 1997.
5.
National Radiological Protection Board (NRPB).Guidelines on Radiology Standards for Primary Dental Care. Report by the Royal College of Radiologists and NRPB. Documents of the NRPB: Vol 5, No. 3. Chilton: NRPB; 1994.