Webb, Penny  1963- <br/><br/>
Essential epidemiology :  an introduction for students and health professionals / 
Penny Webb,  Chris Bain, Andrew Page 
 - 4th ed. 
 - Cambridge, UK ;  New York :  Cambridge University Press,  c 2021 
 - xx, 416 p. :  ill. (chiefly col.), maps ;  25 cm. 
<br/><br/>Includes glossary,nindex. 
<br/><br/><label>ISBN: </label>9781108766807 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epidemiology.<br/>Epidemiologic Methods.<br/>Epidemiology.
<br/><br/><label>Dewey Class. No.: </label>614.4 WEB