Friis, Robert H. <br/><br/>
Epidemiology for public health practice / 
Robert H. Friis, Thomas A. Sellers. 
 - 3rd ed. 
 - Sudbury, Mass. :  Jones and Bartlett Publishers,  2004 
 - xviii, 616 p. :  ill. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0763731706 9780763731700 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epidemiology<br/>Public Health
<br/><br/><label>National Library of Medicine Call No.: </label>WA 105  / .F75 2004