Waddington, E. <br/><br/>
The diagnosis of smallpox  [sound recording]. 

 - Chelmsford :  Royal College of General Practitioners, Medical Recording Service,  1965. 
 - Its Medical Recording Service ;  65-1 .
 - Royal College of General Practitioners. Medical Recording Service ;  Royal College of General Practitioners. Medical Recording Service ;  65-1. .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Smallpox -- Diagnosis.--Smallpox -- Diagnosis.