Friis, Robert H. <br/><br/>
Epidemiology for public health practice 

 -  Jones & Bartlett   2009 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780763751616 
<br/><br/><label>Dewey Class. No.: </label>614.4 F91 2009