[Discussions and demonstrations]  [sound recording]. 

 - Chelmsford :  Royal College of General Practitioners, Medical Recording Service,  1968. 
 - Its Medical Recording Service ;  68-11 .
 - Royal College of General Practitioners. Medical Recording Service ;  Royal College of General Practitioners. Medical Recording Service ;  68-11. .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crash injuries.<br/>Traffic accidents.