Lilienfeld David E & Stolley Paul D <br/><br/>
Foundations Of Epidemiology .-Edn 3 

 - Edn 3 
 -  Oxford University Press, N'york 
 - pp 371;   23*15 
<br/><br/><label>Dewey Class. No.: </label>L:4:51/N94/B22896