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

 - 2nd ed. 
 - Cambridge  New York   Cambridge University Press,  2011 
 - xiv, 445p.  ill.  
 - Cambridge medicine .
<br/><br/>
<br/><br/><label>ISBN: </label>978052117731 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epidemiology<br/>Epidemiologic Methods<br/>Epidemiology
<br/><br/><label>LC Class. No.: </label>MED RA651  / W385