Webb, Penny, <br/><br/>
Essential epidemiology :  an introduction for students and health professionals / 
Penny Webb, Chris Bain, Sandi Pirozzo. 
 - Cambridge : New York :  Cambridge University Press,  2005 
 - x, 355 p. :  ill. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0521546613 (paperback) 9780521546614 (paperback) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epidemiologic Methods<br/>Epidemiologic Research Design<br/>Public Health
<br/><br/><label>National Library of Medicine Call No.: </label>WA 105  / .W43 2005