BARKER, D.J.P. <br/><br/>
Practical epidemiology 

 - London  ELBS/Churchill Livingstone  1976. 
 - v, 180 p. 
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epidemiology
<br/><br/><label>Dewey Class. No.: </label>614.4   / BAR