Gordis, Leon, <br/><br/>
Epidemiology / 
Leon Gordis, 
 - 5th ed. 
 - Philadelphia, PA :   Elsevier/Saunders,   2014 
 - xv, 392 pages :   ill 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9781455737338 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epidemiology.<br/>Epidemiologic Methods.
<br/><br/><label>LC Class. No.: </label>RA651 GOR 2014