Gordis, Leon <br/><br/>
Epidemiology 

 - Second  
 - New York  W.B. Saunders   2000 
 - 308p.  x 
<br/><br/> Book 
<br/><br/><br/>Eng. 
<br/><br/><label>ISBN: </label>072168338 
<br/><br/><label>National Library of Medicine Call No.: </label>WA 105