Gordis, Leon <br/><br/>
Epidemiology / 
Leon Gordis 
 - 4th ed 
 - Philadelohia :  Elsevier,  2009 
 - 375 p 
<br/><br/><label>ISBN: </label>9781416040026 /  952.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epidemiological methods
<br/><br/><label>LC Class. No.: </label>RA651  / G661 E6 2009