A few organisations which can help provide more information and opinions on a range of related topics.

Expert Witness Institute
Acts as a voice for the expert witness community. Functions to encourage, train & educate experts to improve and maintain their standards.
http://www.ewi.org.uk  
   
General Medical Council
The GMC keeps up to date registers of qualified doctors, fosters good medical practice, promotes high standards of medical education and provides guidance for doctors and protection for patients.
http://www.gmc-uk.org  
   
Law Society of Scotland
The Law Society of Scotland is the governing body for Scottish solicitors. See also the related site www.Expertwitnessscotland.info for our entry.
http://www.lawscot.org.uk  
 
National Institutes of Health in the USA
Acquires new knowledge to help prevent, detect, diagnose and treat disease and disability from the rarest genetic disorder to the common cold. This site has a vast amount of health information on almost every condition imaginable.
http://www.nih.gov  
   
National Radiation Protection Board
The NRPB was created in 1970 to advance acquisition of knowledge about protection from radiation hazards. This site provides information & advice on many radiation topics.
http://www.nrpb.org  
   
Royal College of Radiologists
This is the body incorporated by Royal Charter which oversees medical imaging of patients in the UK and is responsible for the training of consultant radiologists and their continuing medical education.
http://www.rcr.ac.uk  
   
This innovative interactive site from the RCR lets you know what to expect if you have to undergo an xray or a scan (be it ultrasound, CT or MRI) in a very easy to understand form.
http://www.goingfora.com