Webb, Penny,  1963- <br/><br/>
Essential epidemiology :  an introduction for students and health professionals / 
Penny Webb, Chris Bain, Sandi Pirozzo. 
 - New York, NY :  Cambridge University Press,  2005. 
 - x,355p. ;  cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0521837456 (hc) 
<br/><br/><label>LCCN: </label>2004057005 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epidemiology.<br/>Epidemiologic Research Design.<br/>Epidemiologic Methods.<br/>Public Health.
<br/><br/><label>LC Class. No.: </label>RA651  / .W4