Rothman, Kenneth J. <br/><br/>
Epidemiology:  an introduction 
Kenneth J. Rothman 
 - 2nd ed. 
 - New York  OUP  2012 
 - viii, 264p. 
<br/><br/><label>ISBN: </label>0199754557 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epidemiology--methods
<br/><br/><label>LC Class. No.: </label>RA651  / .R68 2012 c.1