Rothman, Kenneth J. <br/><br/>
Epidemiology :  an introduction / 
Kenneth J. Rothman. 
 - Oxford :  Oxford University Press ,  2002. 
 - viii, 223p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0195135539 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epidemiology.<br/>Epidemiologic--methods.
<br/><br/><label>National Library of Medicine Call No.: </label>WA105  / R745e 2002