| Site Address | Rating | Review |
| http://www.doseinfo-radar.com/RADARDoseRiskCalc.html | *** | This site helps calculate radiation dose estimates for certain radiographic and nuclear medicine procedures, based on literature reported values. Individual organ doses and total body effective doses are given for these specified examinations, and some combinations of examinations. |
| http://www.nrpb.org/ | **** | Well implemented web site of the national radiation protection board of the UK. Has much useful information for UK and non-UK radiologists alike |
| http://www.life.rmit.edu.au/mrs/DigitalRadiography/ | ***** | Some incredible image manipulation effects produced by Java applets - well worth a look. Useful source of information about digital radiography. |
| http://www.fda.gov/cdrh/index.html | * | US FDA site with useful information about medical devices and standards. |
| http://www.srp-uk.org/ | *** | The UK Society for Radiation Protection. Much useful information. |