Gordis, Leon  <br/><br/>
Epidemiology: 
Leon Gordis. 
 - 5th ed.  
 - Philadelphia:  Elsevier Saunders;  2014. 
 - xv, 392p.  
<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>RA 651  / .G67 2014 C.1