Merrill, Ray M <br/><br/>
Introduction to epidemiology 
Ray M. Merrill 
 - 5th ed 
 - Boston, MA  Jones and Bartlett Publishers  2010 
 - xi, 417 p. : ill., maps ; 26 cm 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780763766221 
<br/><br/><label>ISSN: </label>2009012595 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epidemiologic Methods<br/>Epidemiology
<br/><br/><label>Dewey Class. No.: </label>614.4 MER