GORDIS, Leon <br/><br/>
Epidemiology 
/  Leon Gordis 
 - 5th ed. 
 - Philadelphia  Elsevier Saunders  2014 
 - xv, 392 p. 
<br/><br/> Includes reference and index. 
<br/><br/><label>ISBN: </label>9781455737338 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epidemiology<br/> Epidemiology methods
<br/><br/><label>Dewey Class. No.: </label>614.4  / GOR