Webb, Penny <br/><br/>
Essential epidemiology: an introduction for students and health professionals 

 - 3rd 
 - UK  Cambridge University Press  2017 
 - ix,278p p. 
<br/><br/><label>ISBN: </label>978-1-107-52915-1 
<br/><br/><label>Subjects--Index Terms: </label>Epidemiologic methods