Gordis, Leon,  1934- <br/><br/>
Epidemiology / 
Leon Gordis. 
 - 4th ed. 
 - Philadelphia :  Elsevier/Saunders,  c2009. 
 - xv, 375 p. :  ill. (chiefly col.), maps (chiefly col.) ;  26 cm. 
<br/><br/> Include index 
<br/><br/><label>ISBN: </label>9781416040026 1416040021 
<br/><br/><label>LCCN: </label>2007030111 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epidemiology.<br/>Epidemiology.<br/>Epidemiologic Methods.
<br/><br/><label>LC Class. No.: </label>RA651  / .G58 2009 
<br/><br/><label>Dewey Class. No.: </label>614.4