1. For severe carotid stenosis found on ultrasound, further arterial evaluation is unnecessary;Moore;Stroke,2003
2. Quality improvement guidelines for diagnostic arteriography;Singh;Vasc Interv Radiol,2003
3. Recommendations of the International Commission of Radiological Protection. 1990 recommendations of the International Commission on Radiological Protection. ICRP Publication 60;International Commission of Radiological Protection;Ann ICRP,1991
4. Council Directive of 30 June 1997(97/43/Euratom) on Health Protection of Individuals Against the Dangers of Ionizing Radiation in Relation to Medical Exposure;European Commission;Official J Eur Communities No L180/22,1997
5. Hart D, Jones DG, Wall BF. Normalised organ doses for medical X-ray examinations calculated using Monte Carlo Techniques. NRPB report NRPB-SR 262. London: HMSO; 1994.