1. European Communities. Council Directive 97/43/Euratom of 30 June 1997 on health protection of individuals against the dangers of ionizing radiation in relation to medical exposure. Official Journal of the European Communities L180, 9 July (1997).
2. International Commission on Radiological Protection. Managing patient dose in digital radiology. ICRP Publication 93. Ann. ICRP 34(1), Valentin, J., Ed. (Oxford: Pergamon Press) (2004).
3. Perry, N., Broeders, M., de Wolf, C. and Törnberg, S., Eds. European Guidelines for Quality Assurance in Mammography Screening, third edn. European Commission, EUREF (2001).
4. Zoetelief, J., Fitzgerald, M., Leitz, W. and Säbel, M. European protocol on dosimetry in mammography. EUR 16263 (Luxemburg: EC) (1996).
5. European Commission. European guidelines on quality criteria for diagnostic radiographic images. EUR 16260 (Brussels: EC) (1996).