Friedman, Gary D., <br/><br/>
Primer of epidemiology / 

 - 2d ed. 
 - New York :  McGraw-Hill,  1980. 
 - xii, 288 p.   ill.  
<br/><br/><label>ISBN: </label>007022434 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epidemiology.
<br/><br/><label>LC Class. No.: </label>MED RA651  / F68