Gordis, Leon <br/><br/>
Epidemiology 
/Leon Gordis 
 - 3rd ed. 
 - Philadelphia:  Elsevier,  2004. 
<br/><br/>Includes biliographical references and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epidemiology
<br/><br/><label>LC Class. No.: </label>RA 65 GOR 2004